Governmental 24

MA&P MA&P Stands For : Maintenance Analysis and Planning	MAAB MAAB Stands For : Materials Application Advisory Board
MAAR MAAR Stands For : Monthly Associate Administrators Review	MACDS MACDS Stands For : Monitor and Control Display System
MACH MACH Stands For : Machine \| Velocity Relative to the Speed of Sound	MACRO MACRO Stands For : Merge and Correlate Recorded Output (Program)
MADC MADC Stands For : Multiplexer Analog to Digital Converter	MADRE MADRE Stands For : Manufacturing Data Retrieval System
MAEP MAEP Stands For : Minimum Autoland Entry Point	MAGSAT MAGSAT Stands For : Magnetometer Satellite
MAIDS MAIDS Stands For : Management Automated Information Display System \| Multipurpose Automatic Inspection and Diagnostic System	MAIR MAIR Stands For : Manufacturing and Inspection Record
MAL MAL Stands For : MALfunction \| Material Allowance List \| Mobile AirLock	MALL MALL Stands For : Malleable
MANF MANF Stands For : Manifold	MAOT MAOT Stands For : Maximum Allowable Operating Time
MAPD MAPD Stands For : Mission Analysis and Publications Division \| Metropolitan Area Planning Department \| Mineola Auxiliary Police Department	MAPOLE MAPOLE Stands For : Magnetic Dipole Spark Transmitter
MARCI MARCI Stands For : MARs Color Imager	MARGO MARGO Stands For : Manned Apollo Recovery Ground Optics
MASDC MASDC Stands For : Military Aircraft Storage and Disposition Center	MASMP MASMP Stands For : Mission Analysis and Suport Management Plan
MASTIF MASTIF Stands For : Multiple Axis Space Test Inertia Facility	MATCO MATCO Stands For : Materials Analysis
MAUS MAUS Stands For : Messenschafteliche Autonome Experiment Unter Schewerelosigkeit	MAXCO MAXCO Stands For : Maximum Dynamic Pressure
MBAC MBAC Stands For : Marshall Booster Assembly Contractor	mbar mbar Stands For : Millibar
MBCS MBCS Stands For : Motion-Base Crew Station (SMS)	MBFP MBFP Stands For : Manufacturing Build and Flow Plan
MBK MBK Stands For : Medications and Bandage Kit	MBL MBL Stands For : MicroSAT Boot Loader \| MoBiLe Unit (TACAN Station) \| Master Bill of Lading
Mbps Mbps Stands For : Megabits Per Second	MC&C MC&C Stands For : Measurement
MC&W MC&W Stands For : Master Caution and Warning	MCBF MCBF Stands For : Mean Cycles Between Failures
MCC-DOD MCC-DOD Stands For : Mission Control Center-DOD	MCC-H MCC-H Stands For : Mission Control Center-Houston
MCC-K MCC-K Stands For : Mission Control Center-Kennedy	MCC-NASA MCC-NASA Stands For : Mission Control Center-NASA
MCDU MCDU Stands For : Multifunction CRT Display Unit	MCIU MCIU Stands For : Manipulator Controller Interface Unit \| Master Control and Interface Unit \| Mission Control and Interface Unit
MCLT MCLT Stands For : Maximum Cruise Level Thrust	MCOP MCOP Stands For : Mission Control Operations Panel
MCPC MCPC Stands For : Manipulator Controller Power Conditioner \| Massachusetts Chain Pharmacy Council \| Montgomery County Planning Commission	MCPS MCPS Stands For : Major Cost Proposal System
MCSB MCSB Stands For : Modular Common Spacecraft Bus	MCVP MCVP Stands For : Materials Control and Verification Program
MDAC MDAC Stands For : McDonnell Douglas Astronautics Company \| Mississippi Department of Agriculture and Commerce	MDAR MDAR Stands For : Malfunction Detection
MDAS MDAS Stands For : Meteorological Data Acquisition System \| Mission Data Acquisition System \| Ministries	MDCA MDCA Stands For : Main Distribution Control Assembly
MDCS MDCS Stands For : Maintenance Data Collection System \| Malfunction Display and Control System \| Master Digital Command System \| Material Data Collection System	MDDS MDDS Stands For : Material Directory Data Sheet
MDI-H MDI-H Stands For : Michelson Doppler Imager- Helioseismology	MDI-M MDI-M Stands For : Michelson Doppler Imager- Magnetogram
MDIF MDIF Stands For : Mission Data Integration Facility \| Maryland Deposit Insurance Fund	MDRS MDRS Stands For : Manufacturing Data Retrieval System \| Mission Data Retrieval System
MDSCC MDSCC Stands For : Madrid Deep Space Communication Complex	MDSD MDSD Stands For : Mate/Demate Stiffleg Derrick
MDTSCO MDTSCO Stands For : McDonnell Douglas Technical Services Company	MDUL MDUL Stands For : Missing Data Units List
MEAR MEAR Stands For : Maintenance Engineering Analysis Request	MEAS MEAS Stands For : MEASurement
MEBO MEBO Stands For : Main Engine Burnout	MECA MECA Stands For : Main Engine Controller Assembly
MECCA MECCA Stands For : Master Electrical Common Connector Assembly	MECF MECF Stands For : Main Engine Computational Facilities
MECO MECO Stands For : Main Engine Cut Off \| Main Engine Cutoff	MECR MECR Stands For : Maintenance Engineering Change Request
MEDEA MEDEA Stands For : Material Science Experiment Double Rack for Experiment Modules and Apparatus	MEDICS MEDICS Stands For : Medical Information Computer System
MEI MEI Stands For : Master Inspection Item	MEIG MEIG Stands For : Main Engine Ignition
MEIT MEIT Stands For : Multi Element Integration Testing	MEIU MEIU Stands For : Main Engine Interface Unit
MELEO MELEO Stands For : Material Exposure in Low Earth Orbit	MELI MELI Stands For : Master Equipment List Index \| Minimum Equipment List Index
MELICA MELICA Stands For : Medium Energy Ion Composition Analyzer	MEOP MEOP Stands For : Maximum Expected Operating Pressure
MEQA&P MEQA&P Stands For : Mission	MERB MERB Stands For : Materials and Engineering Review Board
MERL MERL Stands For : Materials Engineering Research Laboratory \| Materials Equipment Requirement List	MERSAT MERSAT Stands For : Meteorology and Earth Observation Satellite
MERU MERU Stands For : Milliearth Rate Unit	MESC MESC Stands For : Master Events Sequencer Controller
MESSENGER MESSENGER Stands For : Mercury Surface	META META Stands For : Megachannel Extraterrestrial Assay
METRO METRO Stands For : Meteorology	METVC METVC Stands For : Main Engine Thrust Vector
MFBP MFBP Stands For : Manufacturing Flow and Building Plan	MFG MFG Stands For : Major Functional Group \| ManuFacturinG \| Manufacturing
MFMR MFMR Stands For : Multi-Frequency Microwave Radiometer	MFPE MFPE Stands For : Mission From the Planet Earth
MFTAD MFTAD Stands For : Master Flight Test Assignment Document	MGA MGA Stands For : Middle Gimbal Angle \| Midwestern Governors Association \| Managing General Agency
MGE MGE Stands For : Maintenance Ground Equipment \| Media Generation Element	MGIB MGIB Stands For : Montgomery G I Bill
MGSE MGSE Stands For : Mechanical Ground Support Equipment	MGT MGT Stands For : Major Ground Test \| Management
MGVT MGVT Stands For : Mated Ground Vibration Test	MHA MHA Stands For : Multiple Headset Adapter \| Minimum Holding Altitude
MHF MHF Stands For : Medium High Frequency	MHSA MHSA Stands For : Mars Horizon Sensor Assembly \| Mental Health Services Act
MHSC MHSC Stands For : Manipulator Hand-Set Controller	MICIS MICIS Stands For : Material Information Control and Information System
MIL-71 MIL-71 Stands For : Merritt Island DSN Facility	mil-prf-23377 mil-prf-23377 Stands For : MILitary SPECification
MIMOSA MIMOSA Stands For : Mission Modes and Space Analysis	MIMS MIMS Stands For : Medical Information Management System
MINW MINW Stands For : Master Interface Network	MIOS MIOS Stands For : Multi-IMU Operation System
MIRROR MIRROR Stands For : Multi Image Reflection Refraction Object Rendering	MISSE MISSE Stands For : Materials International Space Station Experiment
MITTS MITTS Stands For : Mobile Igor Tracking Telescope System	MIU MIU Stands For : MPE Interface Unit \| Multiplex Interface Unit
MIUL MIUL Stands For : Materials Identification and Usage List	MIUS MIUS Stands For : Modular Integrated Utility Systems
MJCA MJCA Stands For : Midbody Jettison Control Assembly	MJS MJS Stands For : Manipulator Jettison System \| Michigan Job Source \| Montana Job Source
MKTI MKTI Stands For : Mission Kit Technical Instruction	ML PED ML PED Stands For : Mobile Launcher Pedestal
MLF MLF Stands For : MDM Launch Forward \| Multi- Lateral Fund \| Multi- Lateral Fund	MLGS MLGS Stands For : Microwave Landing Guidance System
MLL MLL Stands For : MDM Launch Left \| minimal lead level	MLW MLW Stands For : Maximum Landing Weight
MLX MLX Stands For : Merritt Island	MMACS MMACS Stands For : Maintenance Management and Control System \| Maintenance
MMAG MMAG Stands For : Martin Marietta Astronautics Group	MMAS MMAS Stands For : Material Management Accounting System
MMCA MMCA Stands For : Midbody Motor Control Assembly	MMCL MMCL Stands For : Master Measurement and Control List
MMES MMES Stands For : MSFC Mated Element Systems	MMH MMH Stands For : Maintenance Man-Hour \| MonoMethyl Hydrazine
MMOS MMOS Stands For : Multimode Optical Sensor	MMPSE MMPSE Stands For : Multiuse Mission Payload Support Equipment
MMS-F MMS-F Stands For : Matra Marconi Space-Tolouse	MMSE MMSE Stands For : Multiuse Mission Support Equipment
MNB MNB Stands For : Main Bus B \| Mouvement National Belge	MO&DSD MO&DSD Stands For : Mission Operations and Data Systems Directorate
MOAR MOAR Stands For : MPLM (Multi-Purpose Logistics Module) Overhead Access Rig	MOCA MOCA Stands For : Mars Organic Carbon Analyzer \| Minimum Obstruction Clearance Altitude \| Ministry of Civil Aviation
MOCF MOCF Stands For : Mission Operations Computational Facilities	MOCR MOCR Stands For : Mission Operations Control Room
MOCS MOCS Stands For : Multichannel Ocean Color Sensor	MOCV MOCV Stands For : Manual O2 Control Valve
MODART MODART Stands For : Methods of Defeating Advanced Radar Threats	MODB MODB Stands For : Master Object Data Base
MODLAN MODLAN Stands For : Mission Operations Division Local Area Network	MODNET MODNET Stands For : MO&DSD Operational/Development Network
MODS MODS Stands For : Mission Oerations and Data System \| Modifications	MOLA MOLA Stands For : Mars Orbiter Laser Altimeter \| Ministry Of Local Administration
MOPI MOPI Stands For : Max Rate Output Initiator	MOPR MOPR Stands For : Mission Operations Planning Review \| Mission Operations Planning Room
MORD MORD Stands For : Medical Operations Requirements Document \| Mission Operations Requirements Document	MORT MORT Stands For : Management Oversight and Risk Tree \| The Mean Oceanic Residence Time
MOSA MOSA Stands For : Mission Operations Support Area	MOSES MOSES Stands For : Multi-Order Solar EUV (Extreme UltraViolet) Spectrograph
MOSPO MOSPO Stands For : Mobile Satellite Photometric Observatory	MOVA MOVA Stands For : Main Oxidizer Valve Actuator
MOWG MOWG Stands For : Mission Operations Working Group	MOX MOX Stands For : Mixed Oxide fuel \| Mixed Oxide fuel
MP&A MP&A Stands For : Mission Planning and Analysis Area	MP&C MP&C Stands For : Maintenance Planning and Control
MPAD MPAD Stands For : Mission Planning and Analysis Division (JSC)	MPAE MPAE Stands For : Max-Planck-Institut fuer Aeronomie
MPESS MPESS Stands For : Mission Peculiar Experiment Support Structure	MPGHM MPGHM Stands For : Mobile Payload Ground Handling Mechanism
MPHE MPHE Stands For : Material and Personnel Handling Equipment	MPIIN MPIIN Stands For : Modification Procurement Instrument Identification Number
MPIO MPIO Stands For : Mission Payload Integration Office	MPLM MPLM Stands For : Multi-Purpose Logistics Module
MPLN MPLN Stands For : Maintenance Planning (Data Base)	MPMP MPMP Stands For : Mass Properties Management Plan
MPMSE MPMSE Stands For : Multiuse Payload and Mission Support Equipment	MPPSE MPPSE Stands For : Multipurpose Payload Support Equipment
MPSR MPSR Stands For : Mission Profile Storage and Retrieval \| Monthly Project Status Review \| Multi-Purpose Support Room	MPSS MPSS Stands For : Main Parachute Support Structure \| Mission Planning and Scheduling System \| Multiple Payload Support Structure
MPST MPST Stands For : Multi-Purpose Support Team	MPTA MPTA Stands For : Main Propulsion Test Article
MPTF MPTF Stands For : Main Propulsion Test Facility	MPTP MPTP Stands For : Main Propulsion Test Program
MPTS MPTS Stands For : Multi-Purpose Tool Set	MPVA MPVA Stands For : Main Propellant Valve Actuator
MRCR MRCR Stands For : Measurement Requirement Change Request	MRDR MRDR Stands For : Material Review Disposition Record
MRIR MRIR Stands For : Medium Resolution Infrared Radiometer	MRM MRM Stands For : Mission Readiness Manager
MRTC MRTC Stands For : Multiple Real-Time Commands	MS/MS MS/MS Stands For : Material Science and Manufacturing in Space
MSAD MSAD Stands For : Materials Summary Acceptance Document	MSBLS MSBLS Stands For : Microwave Scanning Beam Land Station \| Microwave Scanning Beam Landing System
MSBLS-GS MSBLS-GS Stands For : MSBLS Ground Station	MSCC MSCC Stands For : Manned Systems Control Center
MSCR MSCR Stands For : Measurement/Stimuli Change Request \| Mission Security Clearance Request	MSFC MSFC Stands For : George C Marshall Space Flight Center \| Metropolitan Sports Facilities Commission
MSFN MSFN Stands For : Manned Space Flight Network	MSFP MSFP Stands For : Manned Space Flight Program
MSIA MSIA Stands For : Multispectral Image Analyzer	MSID MSID Stands For : Measurement Stimulation identification
MSLD MSLD Stands For : Mass Spectrometer Leak Detector	MSME MSME Stands For : Medical \| Micro
MSOB MSOB Stands For : Manned Spacecraft Operations Building (O&C preferred)	MSOCC MSOCC Stands For : Multisatellite Operations Control Center
MSOIN MSOIN Stands For : Minor Subcontractor or IDWA Notification	MSSL MSSL Stands For : Mullard Space Science Laboratory
MSSS MSSS Stands For : Maui Space Surveillance Site	MSSTA MSSTA Stands For : MultiSpectra Solar Telescope Array
MSTF MSTF Stands For : Mission Support Training Facility \| Manhattan South Task Force	MSTR MSTR Stands For : MaSTeR
MSVP MSVP Stands For : Master Shuttle Verification Plan	MSWG MSWG Stands For : Materials Science Working Group
MTASS MTASS Stands For : Multi-Mission Three- Axis Stabilized Satellite	MTB MTB Stands For : Materials Testing Branch \| Materials Transportation Bureau \| Mountain Terrain Bike
MTBD MTBD Stands For : Mean Time between Demand	MTBM MTBM Stands For : Mean Time between Maintenance
MTCA MTCA Stands For : Monitor and Test Control Area	MTCU MTCU Stands For : Magnetic Tape Control Unit \| Ministry of Training
MTDSK MTDSK Stands For : Magnetic Tape Disk	MTE MTE Stands For : Maintenance Test Equipment \| Multisystem Test Equipment
MTEE MTEE Stands For : Electrical Maintenance Test Equipment	MTEEC MTEEC Stands For : Electronic Maintenance Test Equipment
MTEF MTEF Stands For : Fluid Maintenance Test Equipment	MTEM MTEM Stands For : Maintenance Test Equipment Module \| Mechanical Maintenance Test Equipment
MTEO MTEO Stands For : Optical Maintenance Test Equipment	MTFI MTFI Stands For : Main Trial For Ignition
MTFO MTFO Stands For : Modular Training Field Option	MTGP MTGP Stands For : Monitor Table Generator Program
MTGW MTGW Stands For : Maximum Total Gross Weight	MTLP MTLP Stands For : Monitor Table Listing Program
MTOF MTOF Stands For : Mass Time Of Flight	MTOGW MTOGW Stands For : Maximum Takeoff Gross Weight
MTOW MTOW Stands For : Maximum Takeoff Weight	MTTA MTTA Stands For : Mean Time to Accomplish
MTTE MTTE Stands For : Mean Time to Exchange	MTTF MTTF Stands For : Mean Time To Failure \| Manhattan Traffic Task Force \| Mass Transportation Trust Fund
MTTFF MTTFF Stands For : Mean Time to First Failure	MTVC MTVC Stands For : Manual Thrust Vector Control
MUA MUA Stands For : Material(s) Usage Agreement \| Maximum Usable Altitude	MULT MULT Stands For : Multiple \| Multiply
MUR MUR Stands For : Manpower Utilization Report	MUSAT MUSAT Stands For : Canadian Government Satellite
MUSS MUSS Stands For : Module Utility Support Structure	MVA MVA Stands For : Main Valve Actuator \| Megavolt Ampere \| Motor Vehicle Administration \| Minimum Vectoring Altitude
MVAS MVAS Stands For : Multipurpose Ventricular Actuating System	MVGVT MVGVT Stands For : Mated Vertical Ground Vibration Test
MWB MWB Stands For : Master Work Book	MWP MWP Stands For : Maximum Working Pressure \| Meteorologist Weather Processor
MWPE MWPE Stands For : Mental Workload and Performance	MWPR MWPR Stands For : Monthly Work Package Report
MYTA MYTA Stands For : Maintainability Task Analyses	MYVAL MYVAL Stands For : Maintainability Evaluation
MZFW MZFW Stands For : Maximum Zero Fuel Weight	N&G N&G Stands For : Navigation and Guidance (G&N preferred)
N/B N/B Stands For : Narrow Band	N/C N/C Stands For : Non-Concur \| Normally Closed \| Nose Cone \| Not Critical \| Numerical Control
N/D N/D Stands For : Need Date \| not done	N/O N/O Stands For : Normally Open
N/P N/P Stands For : Not Provided	N/W N/W Stands For : Network
N2 N2 Stands For : Nitrogen	N2H4 N2H4 Stands For : Hydrazine
N2HO4 N2HO4 Stands For : Nitrogen Peroxide	N2O4 N2O4 Stands For : Nitrogen Tetroxide
NAAL NAAL Stands For : North American Aerodynamic Laboratory (Wind Tunnel)	NACA NACA Stands For : National Advisory Committee for Aeronautics \| National Advisory Committee on Aeronautics \| National Advisory Committee for Aeronautics
NAEC NAEC Stands For : Naval Air Engineering Center	NAFIS NAFIS Stands For : NASA Accounting and Financial Information Center \| National Automatic Fingerprint Identification System
NAOO NAOO Stands For : National Oceanic and Atmospheric Administration	NASCAD NASCAD Stands For : NASA Computer Aided Design
NASCOM NASCOM Stands For : NASA Communications \| NASA Communications (Network)	NASTRAN NASTRAN Stands For : NASA Structural Analysis
NATF NATF Stands For : Naval Air Test Facility	NATL NATL Stands For : National \| Natural Area Teaching Laboratory
NAVAID NAVAID Stands For : Navigation Aid \| Navigational Aid	NAVDAD NAVDAD Stands For : Navigationally Derived Air Data
NAVEX NAVEX Stands For : Navigation Experiments (Spacelab D-1 Experiment)	NAVPOOL NAVPOOL Stands For : Navigation Parameter Common Pool
NAVSAT NAVSAT Stands For : Navigation Satellite	NBSP NBSP Stands For : Non Breaking Space People
NBT NBT Stands For : Neutral Buoyancy Trainer \| New Boost Technique	NC1 NC1 Stands For : Nominal Correction 1 (Phasing Maneuver)
NCAR NCAR Stands For : National Center for Atmospheric Research \| National Center for Atmospheric Research	NCFI NCFI Stands For : North Carolina Foam Insulation
NCGS NCGS Stands For : Nuclear Criteria Group Secretary	NCIU NCIU Stands For : Network Common Interface Unit
NCSFI NCSFI Stands For : NASA College Scholarship Fund	NDTF NDTF Stands For : Nondestructive Test Facility
NDTL NDTL Stands For : Nondestructive Test Laboratory	NEAP NEAP Stands For : Near Earth Asteroid Prospector
NEAR NEAR Stands For : Near Earth Asteroid Rendezvous \| National Emergency Alarm Repeater \| Near Earth Asteroid Rendezvous	NEB NEB Stands For : Network Engineering Branch \| Nebraska \| New Economic Bloc
NEBA NEBA Stands For : NASA Employee Benefit Association	NEG NEG Stands For : Negative
NEMS NEMS Stands For : NASA Equipment Management System	NERO NERO Stands For : National Experimental Rocket Organization
NERVA NERVA Stands For : Nuclear Engine for Rocket Vehicle Application	NESR NESR Stands For : Natural Environment Support Room
NETCOM NETCOM Stands For : Network Communications	NEWMAST NEWMAST Stands For : National Education Workshop for Math and Science Teachers
NEXUS NEXUS Stands For : NASA Engineering Extendible United Software System	NFCS NFCS Stands For : Nuclear Forces Communications Satellite
NFSP NFSP Stands For : Nonflight Switch Panel	NFW NFW Stands For : Nonfuel Wasting
NGM NGM Stands For : Nitrogen Generation Module \| Agana Naval Air Station	NH3 NH3 Stands For : Ammonia
NH4 NH4 Stands For : Hydrazine	NHB NHB Stands For : NASA Handbook \| North Huntington Beach \| National Honey Board
NI-SIL NI-SIL Stands For : Nickel-Silver	NIAT NIAT Stands For : NASA Integrated Action Team
NiCd NiCd Stands For : Nickel-Cadmium \| National Institute Of Common Diseases	NISN NISN Stands For : NASA Integrated Services Network
NLA NLA Stands For : Next Lower Assembly \| National Liberation Army	NLG NLG Stands For : Nose Landing Gear
NMAB NMAB Stands For : National Materials Advisory Board	NMO NMO Stands For : Normal Manual Operation
NMOS NMOS Stands For : Network Mission Operations Support	NMV NMV Stands For : Nitrogen Manual Valve \| Non-Motorized Vehicle
NNI-I NNI-I Stands For : NASA Standard Initiator-Type I (was SMSI)	NO2 NO2 Stands For : Nitrogen Dioxide
NOCC NOCC Stands For : Network Operations Control Center	NOCR NOCR Stands For : Network Operations Control Room
NOMN NOMN Stands For : News Of Mighty Ninth \| NOMination \| NOMination	NOMR NOMR Stands For : Nitrous Oxide Monopropellant Rocket
NORDSAT NORDSAT Stands For : Scandinavian Countries Broadcast Satellite	NOSL NOSL Stands For : Night/day Optical Survey of thunderstorm Lightning
NOSP NOSP Stands For : Network Operations Support Plan	NOZ NOZ Stands For : Nozzle
NPD NPD Stands For : NASA Policy Directive \| Nominal Percent Defective \| National Planning Department	NPDS NPDS Stands For : Nuclear Particle Detection Subsystem
NPL NPL Stands For : Normal Power Level \| Non-Partisan League \| National Priorities List \| National Priority List	NPLD NPLD Stands For : NASA Payloads Logistics Depot
NPN NPN Stands For : NASA Part Number	NPRV NPRV Stands For : Nitrogen Pressure Relief Valve
NPSP NPSP Stands For : Net Positive Static Pressure \| Net Positive Suction Pressure	NPU NPU Stands For : Nitrogen Purge Unit \| National Park Unit
NPV NPV Stands For : Nitrogen Pressure \| National Payroll Week \| Non- Profit Work	NPW NPW Stands For : NASA ParaWing \| NASA ParaWing \| National Park Week \| National Police Week \| Non- Profit Work
NR/T NR/T Stands For : Near Real-Time	NRCA NRCA Stands For : Nonconformance Report and Corrective Action
NRM NRM Stands For : Nonrecurring Maintenance \| National Risk Management \| Natural Resources Management	NRZ-L NRZ-L Stands For : Non Return to Zero Level \| Non-Return-to-Zero Level
NSDP NSDP Stands For : Nascom System Development Plan \| National Solidarity Democratic Party	NSGT NSGT Stands For : NASA Ground Terminal
NSI-I NSI-I Stands For : NASA Standard Initiator-Type I (was SMSI)	NSLD NSLD Stands For : NASA Shuttle Logistics Depot
NSR1 NSR1 Stands For : First Coelliptic Maneuver	NSR2 NSR2 Stands For : Second Coelliptic Maneuver
NSSDC NSSDC Stands For : National Space Science Data Center	NTD NTD Stands For : NASA Test Director \| North Texas Division \| National Transit Database \| National Transit Database
NTO NTO Stands For : Nitrogen Tetroxide \| New Turing Omnibus	NTOM NTOM Stands For : Network Technical and Operations Manager
NTSO NTSO Stands For : NASA Test Support Office	NTTF NTTF Stands For : Network Test and Training Facility
NTV NTV Stands For : NASA Television	NUL NUL Stands For : Non-GSE (Ground Support Equipment) Utilization List \| National Urban League
NVAFB NVAFB Stands For : North Vandenberg Air Force Base	NVO NVO Stands For : National Virtual Observatory
NVPOWG NVPOWG Stands For : NASA/VAFB Payload Operations Working Group	NWSA NWSA Stands For : Nose Wheel Steering Amplifier
NX NX Stands For : Normal to X-Axis \| Nose to X-Axis	NZ NZ Stands For : Normal Acceleration \| Normal Load Factor (g) \| Normal to Z-Axis \| Nose to Z-Axis \| Non- Zone
NZB NZB Stands For : Non Zero Binary \| Nanjing / Zhangjiagang / Shanghai Barge	O&FS O&FS Stands For : Operations and Flight Support
O&IA O&IA Stands For : Operations and Integration Agreement	O&P O&P Stands For : Operations and Procedures
O&R O&R Stands For : Overhaul and Repair	O-NAV O-NAV Stands For : Onboard Navigation
O/D O/D Stands For : On Dock \| Outside Diameter \| Origin and Destination \| Overdrive	O/E O/E Stands For : Output Electronics
O/ET O/ET Stands For : Orbiter/External Tank	O/F O/F Stands For : Oxidizet-to-Fuel Ratio
O/L O/L Stands For : Overload	O/L-RC O/L-RC Stands For : Overload-Reverse Current
O/O O/O Stands For : On Orbit	O/R O/R Stands For : Outside Radius \| Oxygen Relief
O/V O/V Stands For : Overvoltage	O/V-U/V O/V-U/V Stands For : Over Voltage/Under Voltage
OAA OAA Stands For : Orbiter Access Arm \| Orbiter Alternate Airfield	OAET OAET Stands For : Office of Aeronautics
OAFD OAFD Stands For : Orbiter Air Flight Deck	OAFTO OAFTO Stands For : Orbiter Atmospheric Flight Test Office
OAL OAL Stands For : OverAll Level \| Office of Administrative Law \| Over All Length	OALC OALC Stands For : Ogden Air Logistics Center
OAMS OAMS Stands For : Orbital Attitude and Maneuvering System	OANS OANS Stands For : Orbiter Ancillary
OAO OAO Stands For : Orbiting Astronomical Observatory \| Original Art Only	OAO-3 OAO-3 Stands For : Orbiting Astronomical Observatory 3
OART OART Stands For : Office of Advanced Research and Technology	OASCB OASCB Stands For : Orbiter Avionics Software Control Board
OASPL OASPL Stands For : Overall Sound Pressure Level	OAST OAST Stands For : Office of Aeronautics and Space Technology (now OAET)
OBCO OBCO Stands For : Onboard Checkout (Instrumentation)	OBCS OBCS Stands For : Onboard Checkout Subsystem
OBDH OBDH Stands For : On Board Data Handling	OBDU OBDU Stands For : On-Board Diagnostic Unit
OBSS OBSS Stands For : Orbiter Boom Sensor System	OBV OBV Stands For : Oxidizer Bleed Valve \| On Balance Volume
OCALC OCALC Stands For : Oklahoma City Air Logistics Center	OCDR OCDR Stands For : Orbiter Critical Design Review
OCDU OCDU Stands For : Optics Coupling Data Unit (G&N)	OCGF OCGF Stands For : Organic Crystal Growth Laboratory Facility
OCH OCH Stands For : Orbiter Common Hardware	OCN OCN Stands For : Order Control Number
OCRM OCRM Stands For : Orbiter Crash and Rescue Manuals	OCT OCT Stands For : Octal
ODAS ODAS Stands For : Onboard Data Acquisition System	ODCDR ODCDR Stands For : Orbiter Delta CDR
ODDS ODDS Stands For : Operational Data Delivery Services	ODF ODF Stands For : Orbit Determination Facility \| Oregon Department of Forestry
ODRAN ODRAN Stands For : Operational Drawing Revision Advance Notice	OEAS OEAS Stands For : Orbital Emergency Arresting System
OECO OECO Stands For : Outboard Engine Cutoff	OES OES Stands For : Orbiter Emergency Site \| Other Error Sources \| Occupational Employment Statistics
OESS OESS Stands For : Orbiter/ET Separation Subsystem	OFA OFA Stands For : Office of Flight Assurance \| Object Free Area \| Office of Family Assistance \| Office of Finance and Administration
OFCC OFCC Stands For : Office of Federal Contract Compliance	OFDS OFDS Stands For : Orbiter Flight Dynamics Simulator \| Oxygen Fluid Distribution System
OFI OFI Stands For : Operational Flight Instrumentation \| Opportunity for Improvement \| Office of Financial Institutions	OFK OFK Stands For : Official Flight Kit \| Optical Flight Kit
OFTDS OFTDS Stands For : Orbital Flight Test Data System	OFTM OFTM Stands For : On-Orbit Flight Technique Meeting
OFTR OFTR Stands For : Orbital Flight Test Requirement	OGMT OGMT Stands For : Orbiter Greenwich Mean Time
OGV OGV Stands For : Oxygen Gage Valve	OHC OHC Stands For : Onboard Hard Copier \| Optics Hand Controller \| Oregon Health Council \| Oregon Housing and Community Services Department \| Over-Head-Cam \| Office of Handicapped Concerns
OHF OHF Stands For : Occupational Health Facility \| Ontario Heritage Foundation	OHGVT OHGVT Stands For : Orbiter Horizontal Ground Vibration Test
OHMM OHMM Stands For : OHMMeter	OHR OHR Stands For : Office of Human Resources \| Ozark Heritage Region \| Office of Human Resources \| Office of Human Resources \| Office of the High Representative
OIB OIB Stands For : Orbiter Interface Box \| Ocean Isle Beach	OIL OIL Stands For : Operations Integration Instruction
OISR OISR Stands For : Open Item Status Report	OISSP OISSP Stands For : Office of Interim Space Station Program
OIT OIT Stands For : Office of Information Technology \| Orbiter Integrated Test \| Office of Industrial Technologies -- Department of Energy \| Office of Information Technologies \| Office Of Information Technology	OIV OIV Stands For : Oxidizer Isolation Valve \| Office of International Visitors
OIVS OIVS Stands For : Orbiter Interface Verification Set	OLDB OLDB Stands For : On-Line Data Bank
OLEV OLEV Stands For : Orbital Life Extension Vehicle	OLIA OLIA Stands For : Office of Legislative & Intergovernmental Affairs
OLIF OLIF Stands For : Orbiter Landing Instrumentation Facilities	OLOW OLOW Stands For : Orbiter Lift-Off Weight
OLSA OLSA Stands For : Orbiter/LPS Signal Adapter	OLSP OLSP Stands For : Orbiter Logistics Support Plan
OMBUU OMBUU Stands For : Orbiter Midbody Umbilical Unit	OMCF OMCF Stands For : Operations and Maintenance Control File \| Orbiter Maintenance and Checkout Facility
OMD P&P OMD P&P Stands For : Operations Maintenance Documentation Planning and Production	OMDP OMDP Stands For : Orbiter Maintenance Depot \| Orbiter Maintenance Down Period
OMDR OMDR Stands For : Operations and Maintenance Data Record	OMDR1 OMDR1 Stands For : Operations and Maintainability Data Record
OME OME Stands For : Orbital Maneuvering Engine \| Orbiter Main Engine \| Orion Main Engine	OMET OMET Stands For : Orbiter Mission Elapsed Time
OMEWG OMEWG Stands For : Orbiter Maintenance Engineering Working Group	OMI OMI Stands For : Operations and Maintenance Instruction \| Operations And Maintenance Instructions \| Ozone Monitoring Instrument \| Ocean- Merced- Ingleside \| Office of Medical Investigator
OMIS OMIS Stands For : Operational Management Information System	OMISS OMISS Stands For : Operation and Maintenance Instruction Summary Sheet(s)
OML OML Stands For : Orbiter Mold Line \| Outer Mold Line \| Outside Mold Line \| Oklahoma Municipal League \| Oil Mining Licence	OMMH OMMH Stands For : Orbiter Maintenance Man-Hours
OMPR OMPR Stands For : Operational Maintainability Problem Reporting	OMPT OMPT Stands For : Observed Mass Point Trajectory
OMR OMR Stands For : Operations and Maintenance Requirements \| Operations Management Room \| Orbiter Management Review \| Office of Mental Retardation \| Old Mahabalipuram Road	OMRB OMRB Stands For : Operating Material Review Board
OMRC OMRC Stands For : Operational Maintenance Requirements Catalog	OMRF OMRF Stands For : Orbiter Modification and Refurbishment Facility
OMRP OMRP Stands For : Operations and Maintenance Requirements Plan	OMRS OMRS Stands For : Operations and Maintenance Requirements Specification
OMRSD OMRSD Stands For : O&M Requirements and Specification Documentation \| Operational Maintainability Reporting Systems Document \| Operations and Maintenance Requirements and Specifications Document	OMSF OMSF Stands For : Office of Manned Space Flight (now OSTS)
OMSP OMSP Stands For : Operational Maintenance Support Plan	OMU OMU Stands For : Optical Measuring Unit
OMV OMV Stands For : Orbital Maneuvering Vehicle \| Oxygen Manual Valve \| Office of Motor Vehicles	ONBD ONBD Stands For : Onboard
ONBT ONBT Stands For : Orbiter Neutral Buoyancy Trainer	OODP OODP Stands For : Out-of-Detent Pitch
OODR OODR Stands For : Out-of-Detent Roll	OOMM OOMM Stands For : Organizational Operations and Maintenance Manual
OOSDP OOSDP Stands For : On-Orbit Station Distribution Panel	OPB OPB Stands For : Oxidizer Pre-Burner \| Other Peoples Babies \| Oregon Progress Board \| Office of Planning and Budget
OPBOV OPBOV Stands For : Oxidizer Preburner Oxidizer Valve	OPDAR OPDAR Stands For : Optical Detection and Ranging
OPER OPER Stands For : Operation \| Operations	OPFC OPFC Stands For : Orbiter Preflight Checklist
OPGUID OPGUID Stands For : Optimum Guidance (Technique)	OPIDF OPIDF Stands For : Operational Planning Identification File
OPIS OPIS Stands For : Orbiter Prime Item Specification	OPLF OPLF Stands For : Orbiter Processing and Landing Facility
OPOV OPOV Stands For : Oxidizer Preburner Oxidizer Valve	OPPAR OPPAR Stands For : Orbiter Project(s) Parts Authorization Request
OPRV OPRV Stands For : Oxygen Pressure Relief Valve	OPSB OPSB Stands For : Orbiter Processing Support Building \| Office of Personnel Services and Benefits \| Ohio Power Siting Board
OPSR OPSR Stands For : OPerations SupervisoR \| Office of Public Services Reform	OPSS OPSS Stands For : Orbital Propellant Storage Subsystem \| OPerations Safety System
OPTB OPTB Stands For : Operational Program Time Base \| Operator Proficiency Training Board	OQC OQC Stands For : Office of Quality Control \| Office of Quality Control \| Operation Quick Count \| Outgoing Quality Control
OQI OQI Stands For : Organizational Quality Improvement \| Outgoing Quality Improvement \| Organizational Quality Improvement	OQS OQS Stands For : Office of Quality Services \| Office of Quality Services \| Office of Quality Systems
OQV OQV Stands For : Operational Quality Verification	ORCHIS ORCHIS Stands For : Oak Ridge Computerized Hierarchical Information System
ORDC ORDC Stands For : Orbiter Data Reduction Center	ORIDE ORIDE Stands For : Override
ORIEN ORIEN Stands For : Orientation	ORIG ORIG Stands For : Origin
ORMR ORMR Stands For : Orbiter Rollout Milestone Review	ORPA ORPA Stands For : Operational Readiness and Performance Assurance
ORPB ORPB Stands For : Oxygen Rich Pre-Burner	ORR ORR Stands For : Operational Readiness Review \| Operations Requirements Review \| Office of Refugee Resettlement
ORSDI ORSDI Stands For : Oak Ridge Selective Dissemination of Information	ORT ORT Stands For : Operational Readiness Test \| Orbit Readiness Test \| Oak Ridge Tennessee \| Oak Ridge
ORTHOG ORTHOG Stands For : ORTHOGonal	ORU ORU Stands For : Orbital Replacement Unit
OSCRS OSCRS Stands For : Orbital Spacecraft Consumables Resupply System	OSDH OSDH Stands For : Orbiter System Definition Handbook \| Oklahoma State Department of Health
OSHA OSHA Stands For : Occupational Safety and Health Act	OSLM OSLM Stands For : Operations Shop/Lab Manager
OSO-1 OSO-1 Stands For : Orbiting Solar Observatory 1	OSO-2 OSO-2 Stands For : Orbiting Solar Observatory 2
OSO-3 OSO-3 Stands For : Orbiting Solar Observatory 3	OSO-4 OSO-4 Stands For : Orbiting Solar Observatory 4
OSO-5 OSO-5 Stands For : Orbiting Solar Observatory 5	OSO-6 OSO-6 Stands For : Orbiting Solar Observatory 6
OSO-7 OSO-7 Stands For : Orbiting Solar Observatory 7	OSO-8 OSO-8 Stands For : Orbiting Solar Observatory 8
OSOP OSOP Stands For : Orbiter Systems Operating Procedures	OSSA OSSA Stands For : Office of Space Science and Applications
OSSE OSSE Stands For : Oriented Scintillation Spectrometer Experiment	OSSRH OSSRH Stands For : Orbiter Sub-System Requirements Handbook
OSTA OSTA Stands For : Office of Space and Terrestrial Applications	OSTDS OSTDS Stands For : Office of Space Tracking and Data Systems
OSTO OSTO Stands For : Office of Space Transportation Operations	OSTS OSTS Stands For : Office of Space Transportation Systems
OTBD OTBD Stands For : Outboard	OTDA OTDA Stands For : Office of Tracking and Data Acquisition (now OSTDS)
OTEMP OTEMP Stands For : Overtemperature	OTK OTK Stands For : Oxidizer Tank
OTLC OTLC Stands For : Orbiter Timeline Constraints	OTOS OTOS Stands For : Orbit-to-Orbit Stage
OTT OTT Stands For : Optional Team Targeting \| Office of Transportation Technologies \| Office of Technology Transfer \| Office of Transportation Technologies \| Office of Transportation Technologies ( Department of Energy)	OUP OUP Stands For : OFS Uplink Processor
OUTBD OUTBD Stands For : Outboard	OVAB OVAB Stands For : Orbital Vehicle Assembly Building
OVAM OVAM Stands For : Orbital Vehicle Assembly Mode	OVCO OVCO Stands For : Operational Voice Communication Office
OVCP OVCP Stands For : Orbital Vehicle Checkout Procedure	OVERS OVERS Stands For : Orbital VEhicle Re-entry Simulator
OVF OVF Stands For : OVerFill	OVFL OVFL Stands For : OVerFLow
OVG OVG Stands For : On-demand Vortex Generator	OVHD OVHD Stands For : OVerHeaD
OVHT OVHT Stands For : OVerHeaT	OVLD OVLD Stands For : OVerLoaD
OVRD OVRD Stands For : OVerRiDe	OVS OVS Stands For : Operational Voice System
OVV OVV Stands For : OVerVoltage \| Office of Vietnam Veterans	OWC OWC Stands For : Off World Colonies \| Oklahoma Weather Center
OWDE OWDE Stands For : One-Way Doppler Extraction	OWF OWF Stands For : Optimum Working Frequency
OX OX Stands For : Oxidizer	OXD OXD Stands For : Oxide
OXDZR OXDZR Stands For : Oxidizer	OXID OXID Stands For : Oxidizer
OXS OXS Stands For : Oxygen Sensor \| Oxygen Sensor	OXY OXY Stands For : Oxygen
P&FS P&FS Stands For : Particles and Fields Subsatellite	P&I P&I Stands For : Performance and Interface (Specification)
P&M P&M Stands For : Performance Monitor \| Phase Modulation (Modulated) \| Planetary Mission \| Preventive Maintenance \| Processes and Materials \| Program Milestone \| Pulse Modulation	P&R P&R Stands For : Performance and Resources
P&W P&W Stands For : Pratt and Whitney	P-BAND P-BAND Stands For : 225 to 390 MCS
P-P P-P Stands For : Peak-to-Peak (Value)	P-TUBE P-TUBE Stands For : Pneumatic Tube
P-WEAR P-WEAR Stands For : Preliminary Work Breakdown Structure Element Audit Review	P/A P/A Stands For : Problem Analysis
P/B P/B Stands For : Playback \| Preburner \| Push Button	P/C P/C Stands For : Pitch Control
P/L P/L Stands For : Parts List \| PayLoad \| Post Landing \| Purchased Labor	P/M P/M Stands For : Payload Module
P/N P/N Stands For : Part Number	P/PL P/PL Stands For : Primary Payload
P/S P/S Stands For : Parallel-to-Serial Converter \| Payload Specialist	P/Y P/Y Stands For : Pitch/Yaw
P1 P1 Stands For : Port 1	PACAS PACAS Stands For : Personnel Access Control Accountability System
PACOR PACOR Stands For : Packet Processor	PACORII PACORII Stands For : Processor Data Capture Facility II
PAFB PAFB Stands For : Patrick Air Force Base	PAH PAH Stands For : Payload Accommodations Handbook
PALAPA PALAPA Stands For : Indonesian Communications Satellite	PAM-A PAM-A Stands For : PAM
PAM-D PAM-D Stands For : PAM	PAMB PAMB Stands For : Pressure Ambient
PAPI PAPI Stands For : Precision Approach Path Indicator \| Public Andministation Perfomance Index \| Precision Approach Path Indicator	PARA PARA Stands For : PARAgraph
PARAM PARAM Stands For : Parameter	PARTS PARTS Stands For : Parts Assembly And Reuse Tool Set
PASM PASM Stands For : Power Actuation And Switching Module \| Porsche Active Suspension Management	PATP PATP Stands For : Preliminary Authority To Proceed
PATS PATS Stands For : Program for Analysis of Time Series \| Passenger Assistant Training Scheme \| Passive Anti-Theft System \| Precision Automated Tracking System	PAU PAU Stands For : Probe Aerodynamic Upper
PAYCOM PAYCOM Stands For : Payload Command \| Payload Command Controller	PAYDAT PAYDAT Stands For : Payload Data
PBAN PBAN Stands For : Polybutadiene Acrylonitrile (Propellant)	PBDF PBDF Stands For : Payload Bay Door FWD
PBDM PBDM Stands For : Payload Bay Door Mechanism	PBIC PBIC Stands For : Programmable Buffer Interface Card
PBIM PBIM Stands For : Programmable Buffer Interface Module	PBK PBK Stands For : Payload Bay Kit
PBMA PBMA Stands For : Process-Based Mission Assurance	PBPS PBPS Stands For : Post-Boost Propulsion System(s)
PCASS PCASS Stands For : Program Compliance Assurance and Status System	PCCB PCCB Stands For : Program Configuration Control Board
PCCE PCCE Stands For : Payload Common Communication Equipment	PCCN PCCN Stands For : Provisioning Contract Control Number
PCCP PCCP Stands For : Preliminary Contract Change Proposal \| Portland Cement Concrete Pavement	PCDU PCDU Stands For : Payload Command Decoder Unit
PCEM PCEM Stands For : Propulsion Contamination Effects Module	PCG2 PCG2 Stands For : Personal Computer Government Operator Aerospace Language 2
PCGE PCGE Stands For : Protein Crystal Growth Experiment	PCGOAL PCGOAL Stands For : Personal Computer Government Operator Aerospace Language
PCH PCH Stands For : Program Critical Hardware \| Pacific Coast Highway	PCIL PCIL Stands For : Pilot-Controlled Instrument Landing
PCIN PCIN Stands For : Program Change Identification Number \| Program Change Incorporation Notice \| Program Change Integration	PCME PCME Stands For : Pulse-Code Modulation Event
PCMM PCMM Stands For : Portable Coordinate Measurement Machine \| Policy Change Management Model	PCMMU PCMMU Stands For : Pulse-Code Modulation Master Unit
PCMS PCMS Stands For : Pulse-Code Modulation Shared \| Portable Changeable Message Sign \| Purchase Card Management System	PCOT PCOT Stands For : Payload Center Operations Team
PCRB PCRB Stands For : Program Change Review Board	PCTE PCTE Stands For : Portable Commercial Test Equipment
PCTO PCTO Stands For : Payload Cost Tradeoff Optimization	PCTR PCTR Stands For : Pad Connection Terminal Room
PCV PCV Stands For : Precheck Verification \| Purge Control Valve \| Passenger Carrying Vehicle \| Partido Comunista Vasco \| Passenger Carrying Vehicle \| Positive Crankcase Ventilation	PCVB PCVB Stands For : Pyro Continuity Verification Box
PCVL PCVL Stands For : Pilot Controlled Visual Landing	PD&RS PD&RS Stands For : Payload Deployment and Retrieval Subsystem
PDAR PDAR Stands For : Program Description and Requirements \| Preferential Departure and Arrival Route	PDC PDC Stands For : Planetary Data Center \| Predefined Command \| Procurement Document Change \| Pacte Democratic per Catalunya \| Partido DemÌ?crata Cristiano \| People For Democratic Change \| Prairie Du Chien \| Port of Duqm Company (Duqm \| Pre - Departure Clearance \| Public Disclosure Commission
PDCR PDCR Stands For : Proprietary Data Control Record	PDFE PDFE Stands For : Programmable Data Formatter Engineer
PDH PDH Stands For : Pocket Dosimeter-High	PDM/FM PDM/FM Stands For : Pulse Duration Modulation/Frequency Modulation
PDMR PDMR Stands For : Program Directors Management Review	PDMS PDMS Stands For : Payload Database Management System
PDRD PDRD Stands For : Procurement Data Requirements Document	PDRM PDRM Stands For : Payload Deployment and Retrieval Mechanism
PDRS PDRS Stands For : Payload Data and Retrieval System \| Payload Deployment and Retrieval System \| Payload Deployment and Retrieval System(s) \| Permanent Disability Rating Schedule	PDRSS PDRSS Stands For : Payload Development and Retrieval System Simulator
PDRSTA PDRSTA Stands For : Payload Deployment and Retrieval System Test Article	PDV PDV Stands For : Pressure Disconnect Valve
PEAP PEAP Stands For : Personal Egress Air Packs	PEFO PEFO Stands For : Payload Effects Follow-on Study
PEHG PEHG Stands For : Payload Ethernet Hub Gateway	PEIR PEIR Stands For : Project Equipment Inspection Record
PEN PEN Stands For : Penicillin \| Pennsylvania Education Network	PEPE PEPE Stands For : Plasma Experiment For Planetary Exploration
PERD PERD Stands For : Payload Element Requirements Document	PETB PETB Stands For : Preflight Test Bus
PETN PETN Stands For : Pentaerythrite Tetranitrate	PFB PFB Stands For : Payload Feedback \| Payload Forward Bus \| Position Feedback \| Pressure Fed Booster \| Portland Fire Bureau \| Program For Belize
PFCF PFCF Stands For : Payload Flight Control Facility	PFCS PFCS Stands For : Primary Flight Control System
PFK PFK Stands For : Payload Function Key	PFM PFM Stands For : Platform \| Pulse Frequency Modulation \| Professional Flight Management \| Public Financial Management
PFR PFR Stands For : Portable Foot Restraint \| Police Federation Regulations 1969	PFRT PFRT Stands For : Preliminary Flight Rating Test
PFRX PFRX Stands For : Preflight Relmat (X-1	PFTA PFTA Stands For : Payload Flight Test Article
PGBA PGBA Stands For : Plant Generic Bioprocessing Apparatus	PGCP PGCP Stands For : Particles and Gases Contamination Panel
PGDCS PGDCS Stands For : Power Generation	PGE PGE Stands For : Purge
PGHM PGHM Stands For : Payload Ground Handling Mechanism	PGNCS PGNCS Stands For : Primary G&N and Control System (Subsystem)
PGOR PGOR Stands For : Payload Ground Operation Requirements	PGORS PGORS Stands For : Payload Ground Operations Requirements Study
PGOWG PGOWG Stands For : Payload Ground Operations Working Group	PGR PGR Stands For : Spacelab Planning and Ground Rule \| Plant Genome Research \| Population Growth Rate
PGRWG PGRWG Stands For : Payload Ground Requirements Working Group	PGSE PGSE Stands For : Payload Ground Support Equipment
PGSM PGSM Stands For : Payload Gimbal Separation Mechanism	PGWG PGWG Stands For : Particles and Gasses Working Group
PHARM PHARM Stands For : Predictive Health and Reliability Management	PHAS PHAS Stands For : Payload Module
PHCF PHCF Stands For : Pituitary Growth Hormone Cell Function	PHK PHK Stands For : Personal Hygiene Kit \| Paris to Hong Kong
PHM PHM Stands For : Per Hundred Million \| Pacific Historical Map	PHMC PHMC Stands For : Probe Heater Motor Controller
PHOTO PHOTO Stands For : Photograph \| Photography of Mexico	PHOTONS PHOTONS Stands For : Photometric Thermospheric Oxygen Nightglow Study
PHP PHP Stands For : Payload Handling Panel \| Personal History Profile	PHSF PHSF Stands For : Payload Hazardous Servicing Facility (KSC)
PIAR PIAR Stands For : Project Impact Analysis Report	PIBM PIBM Stands For : Planetary Interchange Of Bioactive Material
PICP PICP Stands For : Program Interface Control Plan	PICRS PICRS Stands For : Program Information Control and Retrieval System \| Program Information Coordination and Review Service
PICS PICS Stands For : Photo Index and Cataloging System \| Predefined Input Control Sequence \| Post Incident Colleague Supporter \| Protocol Implementation Conformance Statement	PIDA PIDA Stands For : Payload Installation and Deployment Aid
PIDS PIDS Stands For : Portable Image Display System \| Passenger Information Display System	PIECP PIECP Stands For : Preliminary Impact Engineering Change Proposal
PIGA PIGA Stands For : Pendulous Integrating Gyro Accelerometer	PIIN PIIN Stands For : Procurement Instrument Identification Number
PILS PILS Stands For : Precision Instrument landing System \| Ponce de Leon Inlet Light Station	PIND PIND Stands For : Particle Impact Noise Detection
PIPA PIPA Stands For : Pulse Integrating Pendulum Accelerometers \| Pulse Integrating Pendulum Assembly \| Protect Intellectual Property Act	PIQ PIQ Stands For : Pre- Inspection Questionnaire
PIRN PIRN Stands For : Preliminary Interface Revision Notice	PITG PITG Stands For : Payload Integration Task Group
PIV PIV Stands For : Peak Inverse Voltage	PJD PJD Stands For : Precision Jet Drive \| Justice and Development Party \| Precision Jet Drive
PK/PK PK/PK Stands For : Peak-to-Peak	PKM PKM Stands For : Perigee Kick Motor
PL/SNSR PL/SNSR Stands For : Payload Sensor	PLACE PLACE Stands For : Position Location Aircraft Communications Equipment \| Priorities For Local Aids Control Efforts
PLAK PLAK Stands For : PLM Late Access Kit	PLAR PLAR Stands For : Post Launch Assessment Review
PLBD PLBD Stands For : PayLoad Bay Door	PLBK PLBK Stands For : Playback (PB preferred)
PLD PLD Stands For : Program Listing Document \| Programmable Logic Device	PLDI PLDI Stands For : Payload Data Interleaver
PLDM PLDM Stands For : Payload Management	PLDS PLDS Stands For : Payload Support
PLGSS PLGSS Stands For : Payload Ground Support Systems	PLH PLH Stands For : Payload Handling
PLISN PLISN Stands For : Provisioning List Item Sequence Number	PLMS PLMS Stands For : Program Logistics Master Schedule
PLN PLN Stands For : Plan \| Pre-Launch Notification \| Program Logic Network	PLRD PLRD Stands For : Payload Requirements Document
PLRV PLRV Stands For : Payload Launch Readiness Verification	PLSL PLSL Stands For : Propellants and Life Support Laboratory
PLSP PLSP Stands For : Payload Signal Processor	PLTS PLTS Stands For : Precision Laser Tracking System
PLUM PLUM Stands For : Payload Umbilical Mast	PLVC PLVC Stands For : Postlanding Vent Control
PMAP PMAP Stands For : Performance Monitor Annunciation Panel	PMAT PMAT Stands For : Page Map Address Table
PMBT PMBT Stands For : Propellant Mean Bulk Temperature	PMHL PMHL Stands For : Preferred Measurement Hardware List
PMIA PMIA Stands For : Parallel Multiplexer Interface Adapter	PMIR PMIR Stands For : Program Managers Integration Review
PMM PMM Stands For : Property Management Manual	PMOD PMOD Stands For : Physikalisch-Meteorologisches Observatorium Davos
PMOM PMOM Stands For : Performance Management Operations Manual	PMON PMON Stands For : Performance Management Operations Network
PMPL PMPL Stands For : Preferred Mechanical Parts List	PMTC PMTC Stands For : Pacific Missile Test Center
PMU PMU Stands For : PCM (Pressurized Cargo Module) Master Unit \| Pressure Measuring Unit \| Pulse Modulation Unit	PNEU PNEU Stands For : Pneumatic
POCC POCC Stands For : Payload Operations Control Center	POMT POMT Stands For : Planning Operations Management Team
POPA POPA Stands For : Payload Ordnance Processing Area	POPU POPU Stands For : Push Over Pull Up
PORB PORB Stands For : Production Operations Review Board	PORD PORD Stands For : Performance and Operations Requirements Document
POSSE POSSE Stands For : Pluto And Outer Solar System Explorer	POWS POWS Stands For : Project Operating Work Statement
PPAS PPAS Stands For : Photometric Periods Of Artificial Satellites \| Pilots Performance Advisory System	PPCO2 PPCO2 Stands For : Partial Pressure CO2
PPEP PPEP Stands For : Plasma Physics and Environmental Perturbation	PPIL PPIL Stands For : Priced Provisioned Item List
PPMD PPMD Stands For : Program/Project Management Development \| Personal Property Management Division	PPME PPME Stands For : Pacific Plate Motion Experiment
PPO PPO Stands For : Payload Projects Office \| Prolific Priority Offender	PPO2 PPO2 Stands For : Oxygen partial pressure
PQGS PQGS Stands For : Propellant Quantity Gaging System	PRAB PRAB Stands For : Program Risk Assessment Board \| Police Radio Advisory Board \| Parks and Recreation Advisory Board \| Puerto Rican Action Board
PRACA PRACA Stands For : Problem Reporting and Corrective Action	PRCA PRCA Stands For : Problem Reporting and Corrective Action \| Parks
PRCB PRCB Stands For : Program Requirements Change Board \| Program Requirements Control Board \| Program Review Control Board	PRCBD PRCBD Stands For : Program Requirements Control Board Directive \| Program Review Control Board Directive
PRCU PRCU Stands For : Payload Rack Checkout Unit \| Policing and Reducing Crime Unit	PRE PRE Stands For : Personal Rescue Enclosure \| Partido Revolucionario de EspaÌ±a
PRE-MOD PRE-MOD Stands For : Premodulation	PREAMP PREAMP Stands For : Preamplifier
PREF PREF Stands For : Preference	PREFLT PREFLT Stands For : Preflight
PREL PREL Stands For : Preliminary	PRES PRES Stands For : Present \| Paediatric Rheumatology European Society
PRESS PRESS Stands For : Pressurant \| Pressure	PREV PREV Stands For : Previous
PREVLV PREVLV Stands For : Prevalve	PRIM PRIM Stands For : Primary
PROB PROB Stands For : Problem	PROBE PROBE Stands For : Plankton Research On the Bay Environment
PROJ PROJ Stands For : Project	PROPLT PROPLT Stands For : Propellant
PROX PROX Stands For : PROXimity	PRPS PRPS Stands For : Programming Requirements Process Specification
PRSD PRSD Stands For : Power Reactant Storage and Distribution \| Power Reactant Supply and Distribution	PRSDS PRSDS Stands For : Power Reactant Storage and Distribution System
PRSS PRSS Stands For : Problem Report Squawk Sheet	PRTC PRTC Stands For : Priority Real Time Commands
PRTLS PRTLS Stands For : Powered Return to Launch Site	PS/FC PS/FC Stands For : Power Supply/Fuel Cell
PSAC PSAC Stands For : Presidential Scientific Advisory Committee	PSAV PSAV Stands For : Public Service Announcement Video
PSCL PSCL Stands For : Propellant Systems Cleaning Laboratory	PSDP PSDP Stands For : Payload Station Distribution Panel
PSDR PSDR Stands For : Planning and Scheduling Document Record	PSFC PSFC Stands For : Power Supply/Fuel Cell
PSIA PSIA Stands For : Pounds per Square Inch \| Poverty and Social Impact Analysis \| Pounds per Square Inch	psig psig Stands For : Pounds Per Square Inch Gauge \| Propulsion Systems Integration Group
PSLV PSLV Stands For : Polar Satellite Launch Vehicle	PSOP PSOP Stands For : Payload Systems Operating Procedures
PSPA PSPA Stands For : Pressure Static Probe Assembly	PSPL PSPL Stands For : Priced Spare Parts List
PSSA PSSA Stands For : Payload Support Structural Assembly \| Pennsylvania System of School Assessment	PSSC PSSC Stands For : Pico-Satellite Solar Cell Experiment \| Post-Settlement Subframe Condition (BMW)
PSST PSST Stands For : Periodic Significant Scheduled Tasks	PSSU PSSU Stands For : Patch Survey and Switching Unit
PSTF PSTF Stands For : Payload Spin Test Facility	PSTS PSTS Stands For : Payload Module
PTCR PTCR Stands For : Pad Terminal Connection Room	PTCS PTCS Stands For : Passive Thermal Control Section \| Passive Thermal Control System \| Payload Module Thermal Control Subsystem \| Payload Test and Checkout System \| Planning \| Propellant Tanking Computer System
PTDDSS PTDDSS Stands For : PTD Data Selection Sheet	PTI PTI Stands For : Pre-Programmed Test Input \| Preliminary Test Information \| Programmed Test Input \| Physical Training Instructor \| Pakistan Tehreek e Insaf \| Pakistan Tehreek-e-Insaf (Pakistan) \| Pakistan Tehrik-e-Insaf
PTIS PTIS Stands For : Program Test Input System \| President of Transitional Islamic State \| Permit Tracking Issuance System	PTM PTM Stands For : Pulse Time Modulation \| Petrol Tel Maro \| Porsche Traction Management
PTV PTV Stands For : Pathfinder Test Vehicle \| Public Television \| Personal Transport Vehicle \| Public Television	PTVS PTVS Stands For : Portable Test and Verification System
PUCS PUCS Stands For : Propellant Utilization Control System	PUGS PUGS Stands For : Propellant Utilization and Gaging System
PUPO PUPO Stands For : Pull Up Push Over	PUV PUV Stands For : Propellant Utilization Valve \| Pet Utility Vehicle \| Public Utility Vehicle
PV&D PV&D Stands For : Purge	PVRD PVRD Stands For : Purge
PVRO PVRO Stands For : Pyrotechnics	PVTOS PVTOS Stands For : Physical Vapor Transport of Organic Solids
PVWA PVWA Stands For : Planned Value of Work Accomplished	PVWS PVWS Stands For : Planned Value of Work Scheduled
PWBS PWBS Stands For : Program Work Breakdown Structure	PWMD PWMD Stands For : Printed Wiring Master Drawing
PYRO PYRO Stands For : Pyrotechnics	Q Beta Q Beta Stands For : Yaw Dynamic Pressure
Q-BAND Q-BAND Stands For : 36	QACAD QACAD Stands For : Quality Assurance Corrective Action Document
QATT QATT Stands For : Qualification for Acceptance Thermal Testing	QAVT QAVT Stands For : Qualification Acceptance Vibration Test \| Qualification for Acceptance Vibration Testing
QCDR QCDR Stands For : Quality Control Deficiency Report	QCOP QCOP Stands For : Quality Control Operating Procedure
QCU QCU Stands For : Quality Control Unit	QCV QCV Stands For : Quick Coupling Valve \| Questionable Crankcase Ventilation
QFK QFK Stands For : Quest For Knowledge \| Quest For Knowledge	QFW QFW Stands For : Quick Fill Work \| What is the length of the runway in use in (units)? \| Quick Fill Work
QGS QGS Stands For : Quantity Gaging System	QINMS QINMS Stands For : Quadruple Ion Neutral Mass Spectrometer
QIQ QIQ Stands For : Quick Investigation of Quality \| Quick Immigration Questionnaire	QIS QIS Stands For : Quality Information System \| Quality Information System
QJI QJI Stands For : Quality Job Inspection	QLDR QLDR Stands For : Quick Look Data Reference
QLDS QLDS Stands For : Quick Look Data Station	QLS QLS Stands For : Quick Look Station
QPRD QPRD Stands For : Quality Planning Requirements Document	QPSK QPSK Stands For : Quadrature Phase Shift Keying
QQO QQO Stands For : Quasi- Quadrennial Oscillation	QRIA QRIA Stands For : Quick-Reaction Integration Activity
QRSL QRSL Stands For : Quick-Reaction Space Laboratory	QSA QSA Stands For : Qualification Site Approval
QSGVT QSGVT Stands For : Quarter Scale Ground Vibration Test	QSL QSL Stands For : Qualified Source List
QSMVT QSMVT Stands For : Quarter Scale Model Vibration Testing	QSS QSS Stands For : Quindar Scanning System
QSU QSU Stands For : Quality and Standards Unit \| Quality and Standards Unit	QTP QTP Stands For : Qualification Test Plan \| Quick Time Performance
QTRS QTRS Stands For : Quarters	QUAD QUAD Stands For : Quandrangle
QUADS QUADS Stands For : Quality Achievement Data System	QUAL QUAL Stands For : Qualification \| Quality
QUAT QUAT Stands For : Quaternion	QUEST QUEST Stands For : Quality Underpins Every Single Thing \| Query Using Extended Search Techniques
QUI QUI Stands For : Quito	QUIC QUIC Stands For : Quality Data Information and Control
QVVT QVVT Stands For : Qualified Verification Vibration Testing	R BAR R BAR Stands For : Radius Vector Axis
R DOT R DOT Stands For : Range Rate to Target (+) Opening	R IMP R IMP Stands For : Minimum Range to Avoid Plum Impingement
R&CC R&CC Stands For : Recorder and Communication Control	R&DO R&DO Stands For : Research and Development Operations (MSFC)
R&M R&M Stands For : Reliability and Maintainability	R&OA R&OA Stands For : Reliability and Quality Assurance
R&P R&P Stands For : Reserve and Process	R&PM R&PM Stands For : Research and Program Management
R&Z R&Z Stands For : Range and Zero	R-S R-S Stands For : Reed Solomon
R-T R-T Stands For : Resistance Test	R/A R/A Stands For : Radar Altimeter
R/C R/C Stands For : Radio Command \| Rate of Climb \| Remote Control	R/D R/D Stands For : Rate of Descent
R/E R/E Stands For : Reentry	R/I R/I Stands For : Receiving Inspection
R/L R/L Stands For : Rate/Limited \| Remote/Local	R/T R/T Stands For : Real Time \| Receiver/Transmitter
R/W R/W Stands For : Read/Write \| Runway	RAAB RAAB Stands For : Remote Amplifier and Adaption Box \| Remote Application and Advisory Box
RAAD RAAD Stands For : Roll Attitude Anomaly Detection	RACS RACS Stands For : Remote Automatic Calibration System \| Rotation Axis Coordinate System
RACU RACU Stands For : Remote Acquisition and Command Unit	RADCC RADCC Stands For : Radiation Control Center
RAHF RAHF Stands For : Research Animal Holding Facility	RAI RAI Stands For : Radar Altimeter Indicator \| Roll Attitude Indicator
RAISE RAISE Stands For : Rigorous Approach to Industrial Software Engineering \| Rigorous Approach to Industrial Software Engineering	RAL RAL Stands For : Responsibility Assignment List \| Rutherford Appleton Laboratory
RALPH RALPH Stands For : Reduction and Acquisition of Lunar Pulse Heights	RALT RALT Stands For : Radar Altimeter
RAMA RAMA Stands For : Recap and Movement Authorization	RAMBO RAMBO Stands For : RAM Burn Observation
RANC RANC Stands For : Radar Absorption Noise and Clutter	RANN RANN Stands For : Research Applied to National Needs
RAPCON RAPCON Stands For : Radar Approach and Control \| Radar Approach Control	RARR RARR Stands For : Range and Range Rate
RASM RASM Stands For : Remote Access Scheduling Terminal	RATCC RATCC Stands For : Radar Air Traffic Control Center
RAUIS RAUIS Stands For : Remote Acquisition Unit Interconnecting Station	RAX RAX Stands For : Remote Access Computing System \| Remote Access Terminal
RBDE RBDE Stands For : Radar Bright Display Equipment	RBK RBK Stands For : Right Bank
RBMT RBMT Stands For : Retrospective Bibliographies on Magnetic Tape	RBN RBN Stands For : Radio Beacon \| Radio Beacon
RBSP(s) RBSP(s) Stands For : Radiation Belt Storm Probe(s)	RCCA RCCA Stands For : Rough Combustion Cutoff Assembly
RCCB RCCB Stands For : Remote Control Circuit Breaker	RCCP RCCP Stands For : Recorder and Communications Control Panel
RCDP RCDP Stands For : Record Parallel \| Research Career Development Programs	RCDR RCDR Stands For : Recorder
RCHCS RCHCS Stands For : Regenerable CO2 and Humidity Control System	RCPT RCPT Stands For : Receipt \| Receptacle
RCSC RCSC Stands For : Reaction Control Subsystem Controller	RCVR RCVR Stands For : ReCeiVeR
RCVS RCVS Stands For : Remote Control Video Switch	RCVY RCVY Stands For : Recovery
RCY RCY Stands For : Recovery \| Remaining Cycles	RD/SB RD/SB Stands For : Rudder Speed Brake
RDCS RDCS Stands For : Reconfiguration Data Collection System	RDMTR RDMTR Stands For : Radiometer
RDOC RDOC Stands For : Reference Designation Overflow Code	RDOUT RDOUT Stands For : Readout
RDW RDW Stands For : Response Data Word \| Return Data Words \| Real Dogs Work	RE&T RE&T Stands For : Research Engineering and Test
REAC REAC Stands For : Reactant	REACQ REACQ Stands For : Reacquisition
REBA REBA Stands For : Rechargeable EVA BAttery Assembly	RECERT RECERT Stands For : Recertification
RECHG RECHG Stands For : Recharge	RECIP RECIP Stands For : Reciprocate
RECOG RECOG Stands For : Recognition	RECONFIG RECONFIG Stands For : Reconfiguration
RECONN RECONN Stands For : Reconnaisance	RECOV RECOV Stands For : Recovery
RECP RECP Stands For : Receptacle \| Request for Engineering Change Proposal	RECRC RECRC Stands For : Recirculate
RECS RECS Stands For : Representative Shuttle Environmental Control System \| Residential Energy Consumption Survey	RECT RECT Stands For : Rectifier
RECV RECV Stands For : RECeiVe	RECVR RECVR Stands For : Receiver
REDUN REDUN Stands For : Redundancy	REED REED Stands For : Rocket Exhaust Effluent Diffusion
REEDA REEDA Stands For : Rocket Exhaust Effluent Diffusion Analysis	REFRIG REFRIG Stands For : Refrigerate
REFSMMAT REFSMMAT Stands For : Reference Stable Member Matrix	REFURB REFURB Stands For : Refurbish
REGEN REGEN Stands For : Regenerate	REI-M REI-M Stands For : REI-Mollite
REIL REIL Stands For : Runway End Identification Lights \| Runway - End Identification Lights	REINF REINF Stands For : Reinforce
REINIT REINIT Stands For : Reinitialize	RELMAT RELMAT Stands For : Relative Matrix
REM REM Stands For : Regular Even Movements \| Release Engine Mechanism \| Release Engine Module \| Release Escape Mechanism \| Release-Engage Mechanism \| Remove \| Rocket Engine Module \| Roentgen Equivalent Man	REN RAD REN RAD Stands For : Rendezvous Radar
REND REND Stands For : Rendezvous	REPGROW REPGROW Stands For : Effects of Spatial Environment on the Reproduction and Growth of Bacteria
REPL REPL Stands For : Replace	REPR REPR Stands For : Repressurization
REPT REPT Stands For : Relativistic Electron Proton Telescope	REQD REQD Stands For : Required
REQMTS REQMTS Stands For : Requirements (RQMTS preferred)	REREX REREX Stands For : Remote Readout Experiment
RESID RESID Stands For : Residual	RESIS RESIS Stands For : Resistance
RESP RESP Stands For : Responsibility	RESVR RESVR Stands For : Reservoir
RETEN RETEN Stands For : Retention	RETRO RETRO Stands For : Retro Controller (NASA) \| Retrofire \| Retrofire Officer
RETRV RETRV Stands For : Retrieve	RF-TK RF-TK Stands For : Radio Frequency Tracking
RFCP RFCP Stands For : Request for Computer Program	RFDU RFDU Stands For : Radio Frequency Distribution Unit
RFEI RFEI Stands For : Request for Engineering Information	RFPA RFPA Stands For : Request for Proposal Authorization
RGAL RGAL Stands For : Rate Gyro Assembly-Left SRB	RGAO RGAO Stands For : Rate Gyro Assembly-Orbiter
RGAR RGAR Stands For : Rate Gyro Assembly-Right SRB	RGP RGP Stands For : Rate Gyro Package \| Rigid Gas Permeable \| Rigid Gas Permiable
RGRMA RGRMA Stands For : Rate Gyro Redundancy Management Algorithm	RHC RHC Stands For : Right Hand Circular \| Rotation Hand Controller
RHCM RHCM Stands For : Relative Humidity Control/Monitor	RHEB RHEB Stands For : Right Hand Equipment Bay
RHEO RHEO Stands For : Rheostat	RHFEB RHFEB Stands For : Right Hand Forward Equipment Bay
RHL RHL Stands For : Residual Hazards List \| Reproductive Health Library	RHP RHP Stands For : Right Hand Panel
RHS RHS Stands For : Right Hand Side \| Rocketdyne Hybrid Simulator \| Rural Housing Service	RHSC RHSC Stands For : Right Hand Side Console

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