A |

B |

C |

D |

E |

F |

G |

H |

I |

J |

K |

L |

M |

N |

O |

P |

Q |

R |

S |

T |

U |

V |

W |

X |

Y |

Z

M

MBB —  MF —  ML — MNET —  MOSB —  MR —  MU

ACRONYM	DEFINITION	CONTRIBUTOR
M	Mega (A prefix meaning multiplied by 1 million) (Symbol)	Langley
m	Milli- (A prefix meaning divided by 1000) (SI symbol)	Langley
M&IE	Meals and Incidental Expenses	Goddard
M&O	Maintenance and Operations	Goddard
M&P	Materials and Processes	Goddard
M&R	Maintenance and Refurbishment	Goddard
M&R	Maintenance and Repair	Langley
M/F	mainframe	Langley
m/s	Meters per second	CASI
M/U	Mock-Up	Langley
MA	Multi-Access	Goddard
MA	Multiple Access (TDRSS Communications Mode)	Goddard
MA	Military Academy, West Point, NY	CASI
MA1	Mercury Flight	CASI
MAAT	Mean Annual Air Temperature	Goddard
MAB	Material Advisory Board, National Research Council, Washington, DC	CASI
MAC	Multi-sensor Air Campaign	Goddard
MACE	Middeck Active Control Experiment	CASI
MACHO	Massive Compact Halo Objects	CASI
MACOS	Modeling of Actively Controlled Optical Systems	Goddard
MACS	Modular Digital Altitude Control System	CASI
MACSAT	Multi Access Communication Satellite	CASI
MAD	Madrid, Spain, DSN Tracking Station	Goddard
MADS	Modular Auxiliary Data System (Space Shuttle)	CASI
MAESA	Measurements of the Atmospheric Effects of Stratospheric Aircraft Experiment	CASI
MAF	Multiple Access Forward	Goddard
MAF	Michoud Assembly Facility (NASA)	CASI
MAG	Magnetometer Instrument (on ACE)	Goddard
MAG	Mission Assurance Guidelines	Goddard
MagCon	Magnetospheric Constellation	Goddard
MAGE	Mechanical Aerospace Ground Equipment	Langley
MAGIC	Machine for Automatic Graphics Interface to a Computer	CASI
MAGSAT	Magnetic Field Satellite (NASA)	Langley
MAGSAT	Magnetic Field Satellite (AEMC)	CASI
MAIDS	Multipurpose Automatic Inspection & Diagnostic System (Army)	CASI
MAKS	Medical Aid Kit/Station	CASI
Maldi-Tof	Matrix assisted laser desorption/ionization time-off-light	CASI
MALS	Medium Intensity Approach Light System	CASI
MALVINE	Manuscripts and Letters via Integrated Networks in Europe	CASI
MAM	Mars Aeronomy Mission	CASI
MAMA	Multi-Anode Microchannel Array	Goddard
MAP	MILSTAR Advanced Processor	Goddard
MAP	Mission Assurance Plan	Goddard
MAP	Multiplexer Access Point	Goddard
MAP	Michigan Airglow Payload	CASI
MAP	Microwave Anisotropy Probe	CASI
MAP	Missed Approach Point	CASI
MAP/WINE	Middle Atmosphere Program/Winter in Northern Europe	CASI
MAPS	Magnetometer Pointing System	Goddard
MAPS	Measurement of Air (or Atmospheric) Pollution from Satellites	Langley
MAPS	Measurement of Air Pollution from Satellite (Shuttle payload)	CASI
MAPTIP	Marine Aerosol Properties and Thermal Imager Performance Trial	CASI
MAR	Mission Analysis Room	Goddard
MAR	Multiple Access Return	Goddard
MAR	Middeck Accommodations Rack	CASI
MARA	Multimode Airborne Radar Altimeter	CASI
MARBI	Machine Readable form of Bibliographic Information	CASI
MaRC	Machine Readable Cataloging	Goddard
MARC	Machine-Readable Cataloging (Library of Congress)	Langley
MARCI	Mars Color lmager	Goddard
MarGI	Mars Geochemical Instrument,	CASI
MARS	Manned Aerodynamic Reusable Spaceship	CASI
MARS	Mission to America's Remarkable Students (To fly on STS101)	CASI
MARS	Mobile Atlantic Range Station	CASI
MARSAT	Mars Aero-stationary Relay Satellite	CASI
MARSEN	Maritime Remote Sensing (1981)	CASI
MART	Math modeling And Reliability Transducers (for sonar arrays)	CASI
MAS	MODIS Airborne Simulator	Goddard
MAS	Multiple Award Schedule	Goddard
MAS	Mechanical Actuation System (Space Shuttle)	CASI
MAS	Millimeter-wave Atmosphere Sounder	CASI
MASC	Mission and Safety Critical	CASI
MASE	System Analysis/System Engineering (SEI)	Langley
MASER	Microwave Amplification by Stimulated Emission of Radiation	CASI
MASIS	Monitor and Science Instrument Simulator	Goddard
MASS	Medium Acquisition Sun Sensor	Goddard
MASS	Mesoscale Atmospheric Simulation System	Langley
MAST	Management and Supervisory Training Program	Langley
MAST	Magnetic Annular Shock Tube	CASI
MAST	Missile Automatic Supply Technique	CASI
MAT	Multiple Access Transponder	Goddard
MATCALS	Marine’s Air Traffic Control and Landing System	Goddard
MATCON	Microwave Aerospace Terminal Control	CASI
MATE	Materials for Advanced Turbine Engines	CASI
MATRA	Matra Marconi Space (French Electronics Company)	Goddard
MATTS	Multiple Airborne Target Trajectory System	CASI
MAUADEE	Mars Upper Atmosphere Dynamics Energetics and Evolution	Goddard
MAUP	Modifiable Arial Units Problem	CASI
MAW	Mission Adaptive Wing	CASI
MAWP	Maximum Actual Working Pressure	Goddard
MAWP	Missed-Approach Waypoint	CASI
MAX	Microwave Anisotropy Experiment	Goddard
Max91	(Coordinated Solar Research Program)	CASI
MAXIM	Microarcsecond X-ray Imaging Mission	Goddard
MAZAL	(Modification of Polytaz)	CASI
		back to top
MBB	Messerschmitt-Boelkow-Blohm	CASI
MBE	Molecular Beam Epitaxy	Langley
MBE	Molecular Beam Epitaxial	CASI
MBLA	Multi-Beam Laser Altimeter	Goddard
MBO	Management by Objectives	CASI
MBP	Master Buy Plan	Goddard
MBS	Megabits per Second	CASI
MBS	Microbial Bioreactor Systems	CASI
MBS	Mobile Remote Servicer Base System	CASI
MC	Magnetospheric Constellation	Goddard
MC	Mechanism Controller	Goddard
MC	Memory Controller	Goddard
MC	Minor Cycle	Goddard
MCA	Main Combustion Assembly	CASI
MCA	Minimum Crossing Altitude	CASI
MCA	Motor Control Assembly (Space Shuttle)	CASI
MCAS	Micro Communications and Avionics System	Goddard
MCC	Management Conference Center	Goddard
MCC	Mission Control Center	CASI
MCC	MMP Control Computer	Goddard
MCC	Midcourse Correction	CASI
MCC-H	Mission Control Center-Houston)	Goddard
MCCS	Mission Controls and Communications System	Goddard
MCDS	Multi-Function CRT Display System	Goddard
MCE	Monitor and Control Electronics	Goddard
MCEB	Marine Corps Equipment Board, Quantico, VA	CASI
MCEP	Multi-Cultural Education Program	Goddard
MCF	Metadata Content Framework	CASI
MCG	Magnetocardiographs	CASI
MCG	Metal Coated Graphite	CASI
MCG	Millimeter wave Contrast Guidance	CASI
MCG	Morphological Catalogue of Galaxies	CASI
MCH	Memory and Command Handler	Goddard
McIDAS	Man-computer Interactive Data Access System	CASI
MCLFDC	Marine Corps Landing Force Development Center, Quantico, VA	CASI
MCLT	Multicultural Leadership Team	Langley
MCM	Multi-Chip Module	Goddard
MCO	Mars Climate Observer	CASI
MCP	Micro-Channel Plate	Goddard
MCP	Mode Control Panel	Langley
MCP	Modular Component Prediction	CASI
MCP/PMT	Microchannel Plate/Photomultiplier Tube	CASI
MCPF	Modified Coupled Pair Functional (quantum chemistry)	CASI
MCR	Mission Confirmation Review	Goddard
MCR	Military Compact Reactor	CASI
MCS	Mesoscale Convective System	Goddard
MCS	Mission Control System	Goddard
MCSA	Mir Cooperative Solar Array	Goddard
MCSA	Multi-channel Spectrum Analyzer	CASI
MCSCF	Multi-configuration Self Consistent Field (AF)	CASI
MCSST	Multi-Channel Sea Surface Temperature	CASI
MCTV	Man Carrying Test Vehicle	CASI
MCU	Mechanisms Control Unit	Goddard
MCU	Message Control Unit	Goddard
MCU	Micro-Controller Unit	Goddard
MD	Middeck	CASI
MDA	Mechanisms Drive Assembly	Goddard
MDA	Minimum Descent Altitude	CASI
MDAC	McDonnell Douglas Aerospace Company	Goddard
MDAC	McDonnell Douglas Aircraft Corporation	Langley
MDA-HB	McDonnell Douglas Aerospace – Huntington Beach	Goddard
MDB	Multiplexed Data Bus	Goddard
MDBMS	Multimedia Data Base Management System	CASI
MDE	Mechanical Drive Electronics	Goddard
MDE	Mechanisms Drive Electronics	Goddard
MDE	Motor Drive Electronics	Goddard
MDF	Minimum Detectable Flux	Goddard
MDF	Mammalian Development Facility	CASI
MDI	Mechanical Design Integration	Goddard
MDI	Michelson Doppler lmager	Goddard
MDIM	Micrometeoroid Debris Impact Monitor	Langley
MDIS	Modeling, Data, and Information System	CASI
MDM	Multiplexer/Demultiplexer	Goddard
MDO	Multidisciplinary Optimization	CASI
MDP	Multiplexing Data Processor	Goddard
MDR	Maximum Detectable Rigidity	Goddard
MDR	Mission Design Review	Goddard
MDRA	Mission Definition and Requirements Agreement	Goddard
MDS	Medium Deep Survey	Goddard
MDS	Microwave Design System	Goddard
MDS	Mircroprocessor Development System	Goddard
MDSCC	Madrid Deep Space Communications Complex	Goddard
ME	Main Engine	Goddard
ME	Message Error	Goddard
ME	Minimum Energy	Goddard
MEA	Main Engine Assembly	Goddard
MEA	Metal Edge Amplifier	CASI
MEA	Minimum En Route (IFR) Altitude	CASI
MEA	Monoethanolamine	CASI
MEADS	Medium Extended Air Defense System	Langley
MEAM	Modified Embedded Atom Method	CASI
MEB	Main Electronic Box	CASI
MEC	Management Education Center	Goddard
MEC	Miniature Embedded Converters	Goddard
MEC	Main Engine Controller (Space Shuttle)	CASI
MECB	Manufacturers Evaluation and Control Board	Goddard
MECO	Main Engine Cutoff	CASI
MED	Minority Enterprise Development	Langley
MED	Mobile Energy Depot	CASI
MEED	Microbial Ecology Evaluation Device	CASI
MEEP	Mir Environmental Effects Payload	Langley
MEF	Materials Exposure Facility	Langley
MEG	Magnetoencephalogram	CASI
MEH	University of Chicago Electron Instrument on ISEE-3/lCE	Goddard
MEIDEX	Mediterranean Israeli Dust EXperiment	CASI
MEL	Master Equipment List	Goddard
MELA	Marine Engineering Lab, Annapolis, MD	CASI
MELCO	Mitsubishi Electronic Co.	Goddard
MELS	Military Electronics Lab (Sweden)	CASI
MELTER	Mesosphere Lower Thermosphere Explorer	CASI
MELV	Medium Expendable Launch Vehicle	Goddard
MEM	Main Electronics Module	Goddard
MEM	Mars Excursion Module	CASI
MEM	Maximum Entropy Method	CASI
MEMBRANE	Permeable Membrane for Plant Nutrient Delivery System	CASI
MEMS	Micro Electro Mechanical Sensor	Goddard
MEMS	Micro-Electro Mechanical Systems	CASI
MEO	Medium Earth Orbit	CASI
MEOP	Maximum Expected Operating Pressure	Goddard
MEP	Management Education Program	Goddard
MEPSI	Microelectromechanical Systems-Based Pico satellite Inspector	CASI
MER	Mission Evaluation Room	Goddard
MERIS	Medium Resolution Imaging Spectrometer (ESA)	Goddard
MERLIN	Multi-Element Radio Link Interferometer Network	CASI
MESA	Miniature Electrostatic Accelerometer	CASI
MESA	Modularized Equipment Stowage Assembly (APOLLO/NASA)	CASI
MESFET	Metal-Semiconductor Field Effect Transistor	CASI
MESS	Mesoscale and Severe Storms Computer System	CASI
MESSR	Multispectral Electronic Self-Scanning Radiometer	CASI
MESUR	Mars Environmental Survey	CASI
MET	Mechanical Engineering Team	Langley
MET	Mission Elapsed Time (Space Shuttle)	CASI
METEOR 3M-1	Meteorological Satellite (Russian Operational Weather Satellite)	Goddard
METEORS	Mesosphere-Thermosphere Emissions for Ozone Remote Sensing	Langley
METEOSAT	(Meteorological satellite for Europe European counterpart to GOES)	CASI
METOP	Meteorological Operational Satellite	Goddard
METRE	Mesosphere-Thermosphere Rocket Experiment	Langley
METRI	Meteorological Research Institute (Korea)	Goddard
METS	Modular Equipment Transporter System	CASI
METSAT	Meteorological Satellite	CASI
MeV	Mega electron Volt	CASI
MEVDP	Modified Element Volume Dose Program	Goddard
		back to top
MF	Major Frame	Goddard
MF	Minor Frame	Goddard
MFE	Magnetic Field Explorer	CASI
MFG	Manufacturing	Langley
MFI	Magnetic Field Instrument	Goddard
MFOP	Major Facilities Operations Plan	Goddard
MFR	Multifunction Receiver	Goddard
MFR	Manipulator Foot Restraint	CASI
MFS	Multi-Functional Structure	Goddard
MFT	Magnetic Field Explorer	CASI
MFTF	Mirror Fusion Test Facility	CASI
MGA	Medium Gain Antenna	Goddard
MGCO	Mars Geoscience/Climatology Orbiter	CASI
MGM	Mechanics of Granular Materials	CASI
MGMT	management	Langley
MGP	Manufactured Gas Plants	CASI
MGR	Manager	Langley
MGS	McMurdo Ground Station	Goddard
MGS	Mars Global Surveyor	CASI
MGS	Missile Guidance Set	CASI
MGSE	Mechanical Ground Support Equipment	Goddard
MGSS	Mechanical Ground Support System	Goddard
MGSS	Manned Geosynchronous Spacecraft Servicer	CASI
MHD	Magnetohydrodynamic Conversion (Nuclear energy)	Langley
MHD	Magnetohydrodynamic(s)	CASI
MHOS	Reciprocal OHMS	CASI
MHRT	Mission Highlights Resources Tape	CASI
MHS	Microwave Humidity Sounder	CASI
MHSI	Mason & Hanger Services, Inc. (LaRC Telephone Book)	Langley
MHW	Multi-hundred Watt (usually referring to generators)	CASI
MHz	Megahertz (Mc/S)	CASI
MIB	Management Information Base	Goddard
MIC	Memory Interface Card	Goddard
MIC	Memory Interface Controller	Goddard
MIC	Microwave Integrated Circuits	CASI
MICB	Mission Integration Control Board	Goddard
MICD	Interface Control Drawing, Mechanical	Goddard
MICM	Multivariable Cost Model	Goddard
MICS	Management Information and Control System	Goddard
MICTS	Management Information Cost Tracking System	Goddard
MID	Mechanical Interface Drawing	Goddard
MIDAS	Materials in Devices as Superconductors	Langley
MIDEX	Medium-Class Explorer	Goddard
MIDIM	Micrometeroroid and Debris Impact Monitor	Langley
MIE	Master Interface Electronics	Goddard
MIE	Model Institutions for Excellence	CASI
MIE-E	MIE-Enhanced	Goddard
MIE-E	MIE-EOS	Goddard
MIG welding	Molybdenum Inert Gas Welding	CASI
MIL	Merritt Island, Florida, STDN Station	Goddard
mil	Milli-Inch	Langley
MILA	Merritt Island Launch Area (Florida STDN Station)	Goddard
MILC	Modified Intermediate Load Cycle	Goddard
MILSTD	Military Standard	CASI
MIMD	Multiple Instructions/Multiple Data	CASI
MIMI	Magnetospheric Imaging Instrument	CASI
MIMO	Multiple-Input Multiple-Output	CASI
MIMOSA	Mission Modes and Systems Analysis	CASI
MIMR	Multi-frequency Imaging Microwave Radiometer	CASI
MIMS	Mission Information Management System	Goddard
MINIVAR	Minimum Variance Orbit Determination	CASI
MINS	Mare Island Naval Shipyard, Vallejo, CA	CASI
MINUS	Modular Integrated Utility System	CASI
MIO	Multiple Input-Output	Goddard
MIP	Managing the Influence Process	Langley
MIP	Mandatory Inspection Point	Goddard
MIPL	Multi-Mission Image Processing Laboratory	CASI
MIPR	Military Interagency Procurement Request	Goddard
MIPR	Military Interdepartmental Procurement (or Purchase) Request	Langley
MIPR	Military Interdepartmental Purchase Request	Goddard
MIPR	Multi-Interagency Procurement Request	Goddard
MIPS	Millions of Instructions per Second	CASI
MIR	Mid Infrared	Goddard
MIRA	Monolithic Infrared Array	Goddard
MIRA	Multifunction Inertial Reference Assembly	CASI
MIRL	Medium Intensity Runway Lights	CASI
MIRO	Microwave Instrument for the Rosetta Orbiter	Goddard
MIROS	Modulation Inducing Retro directive Optical System	CASI
MIRS	Mid-Infrared Spectrometer	CASI
MIS	Mission Implementation Specification	Goddard
MIS	Management Information Systems	CASI
MIS	Metal Insulator Semiconductor	CASI
MISI	Drug Micro encapsulation in Microgravity	CASI
MISR	Multi-Angle Imaging Spectro-Radiometer	CASI
MIST	Microbursts in Severe Thunderstorms	Langley
MIST	MIUS Integration and Subsystems Test	CASI
MIT	Massachusetts Institute of Technology	CASI
MIT	Multiple Instrument Test	Goddard
MITAC	Map Interpretation and Terrain Analysis Course;	CASI
MITAC	MIcrocomputer TACtical aid	CASI
MITAS	Martin Marietta Interactive Thermal Analysis System	CASI
MITAS	Multisensor Imaging Technology for Airborne Surveillance	CASI
MITI	Ministry of International Trade and Industry (Japan)	CASI
MITO	Minimum Interval Takeoff	CASI
MITOC	MAP Integration and Test Operations Center	Goddard
MITT	Japan’s Ministry of International Trade and Industry (or Technology)	CASI
MITT	Metal/Insulator Tunnel Transistor	CASI
MITT	Microcomputer Intelligence for Technical Training	CASI
MITT	Mobile Integrated Tactical Terminal	CASI
MIWG	Mission Integration Working Group Meeting	Goddard
MIZEX	Marginal Ice Zone Experiment	Langley
MJSC	Multijunction, Multibandgap Solar Cells	CASI
		back to top
ML	Memory Load	Goddard
MLA	Mercury Laser Altimeter	Goddard
MLA	Monochrome Lens Assembly	Goddard
MLA	Multispectral Linear Array	CASI
MLB	Michael Brittin Enterprises	Langley
MLB	Multi-Layer Board	Goddard
MLC	Magnetic Leader Card	Langley
MLC	Memory Load Command	Goddard
MLC	Multicultural Leadership Council	Goddard
MLE	Maximum Likelihood Estimation	CASI
MLE	Mesoscale Lightning Experiment	CASI
MLEP	Manned Lunar Exploration Program	CASI
MLG	Main Landing Gear (Space Shuttle)	CASI
MLI	Machine Language Instruction	Goddard
MLI	Multi-Layer Insulation	Goddard
MLI	Multilayer Insulation	CASI
MLLS	Mailing List Label System	Goddard
MLP	Mobile Launcher Platform	Goddard
MLP	Multicultural Leadership Program	Langley
MLR	Multiple Linear Regression	Goddard
MLR	Monodisperse Latex Reactor	CASI
MLS	Microwave Landing System	CASI
MLS	Microwave Limb Sounder	CASI
MLS	Multifrequency Laser Sounding	CASI
MLT	Mean Local Time	Goddard
MLTI	Mesosphere-Lower Thermosphere-Ionosphere system (see TIMED)	Langley
MM	Memory Module	Goddard
MM	Mesoscale Model	Goddard
MM	Momentum Management	Goddard
MM	Major Mode (Space Shuttle)	CASI
MM2	Mariner Mark 2	CASI
MM4	Mesoscale Model 4	CASI
MM5	Mesoscale Model 5	CASI
MMA	Millimeter Array	CASI
MMA	Methyl Methacrylates	CASI
MMAA	Man/Machine Assembly Analysis (Methods for orbital assembly of large space structures)	CASI
MMC	Manual Mode Command	Goddard
MMC	Metal-Matrix Composite	CASI
MMC	Micro-Meteoroid Capsule (payload Saturn Launch Vehicle)	CASI
MMD	Mean Mission Duration	Goddard
MMDA	Martin Marietta Denver Aerospace	Goddard
MMH	Monomethyl hydrazine	CASI
MMI	Man-Machine Interface	Goddard
MMI	Man Machine Interface	CASI
MMIC	Microwave Monolithic Iontegrated Circuit	Goddard
MMIC	Monolithic Microwave Integrated Circuit	Goddard
MMIC	Monolithic Microwave Integrated Circuits	CASI
MMLS	Material and Maintenance Logistics System	CASI
MMP	Magnetic Mapping Payload	Goddard
MMR	Mission Requirements Review	Goddard
MMR	Multimission Receiver (DSN)	CASI
MMR	Multimode Radiometer	CASI

MMR	Modular Multiband Radiometer (LANDSAT)	CASI
MMRS	Multispectral Medium Resolution Scanner	Goddard
MMS	Magnetospheric Multi Scale	Goddard
MMS	Matra Marconi Space	Goddard
MMS	Mission Monitoring System	Goddard
MMS	Mode Management service	Goddard
MMS	Modular Multimission Spacecraft (NASA)	Langley
MMS	Multimission Modular Spacecraft	CASI
MMS	Magnetic Multiscale Mission	CASI
MMSE	Multiuse Mission Support Equipment	Goddard
MMTI	Martin-Marietta Technologies Incorporated	Goddard
MMU	Mass Memory Unit (Space Shuttle)	CASI
MMU	Manned Maneuvering Unit	CASI
MMWLO	Millimeter Wave Local Oscillator	Goddard
		back to top
MNET	Mission and data directorate, NETwork	CASI
MNOS	Metal Nitride Oxide Semiconductor	CASI
MNRAS	Monthly Notices of the Royal Astronomical Society	Goddard
MNS	Mission Needs Statement	Langley
MO	Molecular Orbital	CASI
MO	Management Operations	Langley
MO	Mars Observer (Mission)	CASI
MO&DA	Mission Operations and Data Analysis	Goddard
MO&DA	Mission Operations and Data Analysis	CASI
MO&DSD	Mission Operations and Data Systems Directorate (former Code 500)	Goddard
MOA	Memorandum of Agreement	Goddard
MOA	Meteorology Ozone, and Aerosol	Goddard
MOA	Military Operations Area	CASI
MOA/TIL	Ministry of Aviation (Great Britain)	CASI
MOAT	Mechanical/Optic Alignment Test	Goddard
MOB	Main Optics Bench	Goddard
MOBLAS	Mobile Laser	CASI
MOBY	Marine Optical Buoy	Goddard
MOC	Mission Operations Center	CASI
MOC	Mission Operations Contract	Goddard
MOC	Mission Operations Contractor	Goddard
MOC	Mission Operations Control	Goddard
Mocc	Mission Operations Command and Control	CASI
MOCC	Mission Operations Control Center	Goddard
MOCR	Mission Operations Control Room	Goddard
MOCS	Multichannel Ocean Color Sensor (NASA)	Langley
MOCS	Multi-channel Ocean Color Sensor	CASI
MOD	Management Operations Directorate	Goddard
MOD	Mission Operations Director	Goddard
MOD/UM	Modulated/Unmodulated	CASI
MODAP	Modified Apollo Logistics Spacecraft	CASI
MODBOD	Management Operations Directorate Board of Directors	Goddard
MODE	Middeck 0-Gravity Dynamics	Langley
MODE	Middeck Zero-Gravity Dynamics Experiment	Langley
MODE	Mid-Deck 0Gravity Dynamics Experiment	CASI
MODEM	Modulator/Demodulator	Goddard
MODIS	Moderate-Resolution Imaging Spectrometer	Langley
MODIS	Moderate Resolution Imaging Spectroradiometer	CASI
MODISN	Moderate Resolution Imaging Spectrometer Nadir	CASI
MODIS-N	Moderate Resolution Imaging Spectroradiometer-Nadir	Goddard
MODIS-T	Moderate resolution Imaging Spectroradiometer-Tilt	Goddard
MODIST	Moderate Resolution Imaging Spectrometer (Earth Observing System, EOS)	CASI
MODLAND	MODIS Land science team	Goddard
MOE	Measure of Effectiveness	CASI
MOF	Maximum Observed Frequency	CASI
MOF	Magneto-Optical Filter	CASI
MOGS	Mission Operations Ground System	Goddard
MOI	Memorandum of Information	Goddard
MOI	Moment of Inertia	Goddard
MOIS	Mission Operations Integration Specialist	Goddard
MOL	Manned Orbital Laboratory	CASI
MOLA	Mars Observer Laser Altimeter	Goddard
MOLA	Mars Orbiter Laser Altimeter	CASI
MOLAB	Mobile Laboratory (Lunar)	CASI
MOM	Mission Operations Manager	Goddard
MOM	Mars Observer Mission	CASI
MOMV	Mini Orbital Maneuvering Vehicle	CASI
MONOS	Metal Oxide Nitride Oxide Semiconductor	CASI
MONSEF	MONitoring the Sun-Earth Environment	CASI
MOP	Maximum Operating Pressure	Goddard
MOP	Monthly Observing Plan	Goddard
MOP	Multiple Output Program	CASI
MOP	Microwave Observing Project	CASI
MOPE	Multi-Mission Orbital Replacement Unit Protective Enclosure	Goddard
MOPITT	Measurement of Pollution in the Troposphere	Goddard
MOPITT	Measurements of Pollution in the Troposphere	CASI
MOPR	Mission Operations Planning Review	Goddard
MOPS	Man Operated Propulsion System	CASI
MOPS	Minimum Operational Performance Standards	Langley
MOPS	McDonald Observatory Planetary Search	CASI
MOPSS	Mission Operations Planning and Support System	Goddard
MOPSS	Mission Operations Planning and Scheduling System	Goddard
MOR	Mid-Ocean Range	CASI
MOR	Mission Operations Report	Langley
MOR	Mission Operations Review	Goddard
MOR	Modulus of Rupture	CASI
MOR	Mission Operations Room	CASI
MORL	Manned Orbital Research Laboratory	CASI
MOS	Metal Oxide Semiconductors	CASI
MOS	Multi-Object Spectrometer	Goddard
MOS	Marine Observation Satellite	CASI
		back to top
MOSB	Multi-Operations Support Building	Goddard
MOSES	Mission Operations, System Engineering, and Software	Goddard
MOSFET	Metal Oxide Semiconductor Field Effect Transistor	CASI
MOSS	Mission Operations Support Services	Goddard
MOSS	Moving Object Scheduling System	Goddard
MOSS	Manned Orbital Space Station	CASI
MOST	Mission Operations Support Team	Goddard
MOTAS	Mission Oriented Terminal Area Simulator	Langley
MOTS	Modified-Off-The-Shelf	Goddard
MOTS	Minitrack Optical Tracking System	CASI
MOTV	Manned Orbital Transfer Unit	CASI
MOU	Memorandum of Understanding	CASI
MOVPE	Metalo-Organic Vapor Phase Epitaxial	CASI
MOWG	Management Operations Working Group	CASI
MOXE	Monitoring X-Ray Experiment	Goddard
MOZAIC	Measurements of Ozone (and Water Vapor) by Airbus In- service Aircraft	CASI
MOZART	Model for Ozone and Related chemical Tracers	Goddard
MPAC	Multipurpose Application Console	CASI
MPAE	Max Planck Institute for Aeronomy	Goddard
MPC	Monitor Proportional Counter (HEAO2)	CASI
MPC	Maximum Permissible Concentration;	CASI
MPD	Magnetoplasmadynamics	CASI
MPDU	Multiplexed Protocol Data Unit	Goddard
MPEC	Multi-Purpose Experiment Canister	CASI
MPEG	Matron Picture Experts Group	Goddard
MPESS	Mission Peculiar Equipment Support Structure	CASI
MPI	Message Passing Interface	Langley
MPL	Master Procedure List	Goddard
MPL	Micropulse Lidar	CASI
MPL	Minimum Power Level (Space Shuttle)	CASI
MPM	Multi-Project Management	Goddard
MPM	Manipulator Positioning Mechanism (Space Shuttle)	CASI
MPNE	Microgravity Plant Nutrient Experiment (Shuttle)	Langley
MPO	Mission Planning Office	Goddard
MPP	Management Publication Proposal	Goddard
MPP	Multi-Phase Pinned	Goddard
MPP	Massively Parallel Processor	CASI
MPPF	Modal Positive Position Feedback	CASI
MPRE	Minimum Pure Radium Equivalent	CASI
MPS	Multi Program Support	Goddard
MPS	Multi-Program Support	Goddard
MPS	Main Propulsion System (Space Shuttle)	CASI
MPSE	Mexican Payload Specialist Experiment	CASI
MPSL	Materials and Processes Specification	Goddard
MPSR	Mission Payload Multipurpose Support Room	Goddard
MPT	Maryland Public Television	Goddard
MPT	Microwave Product Team	Goddard
MPT	Mission Planning Terminal (SN, replaced by UPS)	Goddard
MQW	Multiple Quantum Well (lasers)	CASI
		back to top
MR	Malfunction Report	Goddard
MR WISARD	Multi-Record Wave Investigator for Sine and Random Data	CASI
MR2	Mercury Flight	CASI
MRA	Minimum Reception Altitude	CASI
MRA	Mean Reference Axis	CASI
MRB	Malfunction Review Board	Goddard
MRB	Material Review Board	CASI
MRC	Master Reference Code	Goddard
MRC	Meteorological Research Committee, Air Ministry, (Great Britain)	CASI
MRCI	Multi-reference Configuration Interaction (Quantum Chemistry)	CASI
MRDC	Military Requirement and Development Committee (now DARCOM; previously AMC)	CASI
MRE-1	Mono-propellant Rocket Engine	Goddard
MRF	Module Repair Facility	Goddard
MRI	Magnetic Resonance Images	CASI
MRIP	Multiple Record Input Processing	CASI
MRIR	Medium Resolution Infrared Radiometer	CASI
MRIS	Microwave Reflectometer Ionization Sensor	Langley
MRIS	Space Station Mission Requirements Information System	Langley
MRMS	Mobile Remote Manipulator System	CASI
MRN	Meteorological Rocket Network	CASI
MRPO	Microgravity Research Program Office	Goddard
MRR	Manufacturing Readiness Review	Goddard
MRR	Mission Readiness Review	Goddard
MRR	Mission Requirements Request (replaced by PSLA)	Goddard
MRR	Mission Requirements Review	Goddard
MRS	Main Ring Simulator	Goddard
MRSDCI	Multi-reference Singles and Doubles Configuration Interaction (Quantum Chemistry)	CASI
MRSR	Multi-Role Survivable Radar	CASI
MRSR	Mars Rover Sample Return (Mission)	CASI
MRT	Mission Readiness Testing	Goddard
MRTP	Mission Readiness Test Plan	Goddard
MRTS	Mission Readiness Test Section	Goddard
MS	(Pass) Mission Scheduler	Goddard
MS	Margin of Safety	Goddard
MS	Microwave System	Goddard
MS	Mission Schedule	Goddard
MS	Mission Specialist (Space Shuttle)	CASI
MS	Man System	CASI
MS&A	Mission and Systems Analysis	Langley
MSA	Microgravity Science and Applications (program)	CASI
MSACP	Microgravity Science and Applications Cooperative Program	CASI
MSAD	Microgravity Science and Applications Division	CASI
MSAM	Medium Scale Anisotropv Measurements	Goddard
MSAS	Microwave Signature Acquisition System	CASI
MSATX	Mobile Satellite Experiment	CASI
MSAW	Minimum Safe Altitude Warning	CASI
MSB	Mechanism Selection Box	Goddard
MSB	Most Significant Byte	Goddard
MSB	Most Significant Bit	CASI
MSBLS	Microwave Scanning Beam Landing System (Space Shuttle)	CASI
MSC	Manned Spacecraft Center	CASI
MSC	Mechanical Systems Center	Goddard
MSC	Mission Systems Contract	Goddard
MSC	Mobile Servicing Centre (Canadian)	CASI
MS-DOS	Microsoft Disk Operating System (IBM Corp)	Langley
MSDS	Material Safety Data Sheet	CASI
MSE	Mission Systems Engineer	Goddard
MSEM	Master of Science in Engineering Management Program	Goddard
MSF	Manned Space Flight Program	CASI
MSFC	Marshall Space Flight Center, Huntsville, AL	CASI
MSFN	Manned Space Flight Network	CASI
MSG	Meteosat Second Generation	Goddard
MSH	Most Significant Half	Goddard
MSH	Magnetoelastic Static Hysteresis	CASI
MSI	Medium Scale Integration	CASI
MSIS	Man/Systems Integration Standard	CASI
MSL	Mean Sea Level	CASI
MSL	Materials Science Laboratory	CASI
MSM	Minimum Science Mission	Goddard
MSM	Mission Services Manager (SOMO)	Goddard
MSM	Mode Select Mechanism	Goddard
MSO	Manufacturing Shop Order	Goddard
MSOCC	Multi-Satellite Operations Control Center	Goddard
MSP	Mars Surveyor Program	Goddard
MSP	Microsoft Project	Goddard
MSPB	Merit Systems Protection Board	Goddard
MSPSP	Mission System Prelaunch Safety Package	Goddard
MSR	Management Status Report [Flights Projects Directorate]	Goddard
MSR	Mission Support Room	Goddard
MSR	Monthly Status Review	Goddard
MSRE	Molten-Salt Reactor	CASI
MSS	Magnetic Sensing System	Goddard
MSS	Mass Storage System	Langley
MSS	Medium Sun Sensor	Goddard
MSS	Message Switching System (Nascom)	Goddard
MSS	Mission Scheduling System	Goddard
MSS	Materials Science in Space	CASI
MSS	Mechanical and Structural Subsystems	CASI
MSS	Mobile Satellite Service	CASI
MSS	Mobile Servicing System	CASI
MSS	Modular Space Station	CASI
MSS	Multispectral Scanner	CASI
MSSL	Mullard Space Science Laboratory	Goddard
MSSP	Medium Speed Serial Port	Goddard
MSSR	Mission and Science Scheduling Room	Goddard
MSSR	Monthly Schedule Status Review	Goddard
MST	Mobile Service Tower	Goddard
MST	Mesosphere Stratosphere Troposphere	CASI
MSTE	Mechanical Special Test Equipment	Goddard
MSTI	Miniature Seeker Technology Integration	CASI
MSTO	Main Sequence Turn-Off	Goddard
MSU	Montana State University	Goddard
MSU	Microwave Sounding Unit	CASI
MSW	Most Significant Word	Goddard
MSX	Mid-Course Space Experiment	Goddard
MTA	Magnetic Torque Assembly	Goddard
MTB	Magnetic Torquer Bar	Goddard
MTBF	Mean-Time Before Failure	Goddard
MTBF	Mean Time Between Failure	CASI
MTBR	Mean Time Between Repairs	CASI
MTC	Manufacturing Technology Center	Goddard
MTC	Man-Tended Capability	CASI
MTDC	Modified Total Direct Cost	Goddard
MTE	Magnetic Torque Electronics	Goddard
MTF	Mississippi Test Facility	CASI
MTF	Modulation Transfer Function	Goddard
MTF	Modulator Transfer Function	CASI
MTF	Matrix Test Facility (for HTAH for magnetohydrodynamics power plants)	CASI
MTFF	Man Tended Free Flyer	CASI
MTI	Moving Target Indicator Radar	CASI
MTIS	Mission Test Imaging System	CASI
MTL	Multisetting Torque Limiter	Goddard
MTM	Magnetic Tape Module	CASI
MTM	Mass Thermal Mode	Goddard
MTM	Mechanical Test Model	Langley
MTOS	Metal Thick Oxide Semiconductor	CASI
MTP	Master Test Procedure	Goddard
MTP	Master Timing Pulse	Goddard
MTP	Microwave Temperature Profiler	CASI
MTPE	Mission to Planet Earth	Langley
MTR	Mean-Time to Restore	Goddard
MTR	Military Training Route	CASI
MTR	Motor	Langley
MTR	Materials Testing Reactor	CASI
MTR	Mean Time to Restore (USAF)	CASI
MTS	Magnetic Torquing System	Goddard
MTS	Manpower Tracking System	Goddard
MTS	Meteoroid Technology Satellite	Goddard
MTS	Middle Thermal Shield	Goddard
MTT	Multiple Target Tracker	CASI
MTTF	Mean-Time to Failure	Goddard
MTTR	Mean Time to Repair	CASI
MTTS	Mean Time to Service	CASI
MTU	Master Timing Unit (Space Shuttle)	CASI
		back to top
MU	Memory Unit	Goddard
MUA	Materials Usage Agreement	Goddard
MUBIS	Multiple Beam Interval Scanner	CASI
MUE	Mission Unique Electronics	Goddard
MUF	Maximum Useable Frequency	CASI
MUL	Material Usage List	Goddard
MULE	Multi-Use Lightweight Equipment	Goddard
MUMP	Marshall University of Michigan Probes	CASI
MUMPS	Multi-User MEMS Processing System	CASI
MURC	Management Utilization Resource Committee	Langley
MURC	Manpower Utilization Review Committee	Langley
MURC	Manpower Utilization Review Council	Goddard
MUS	Medical Unit Subsystem	Goddard
MUSAP A	Multisatellite Augmentation Program-A	CASI
MUSE	Monitor Ultraviolet Solar Energy	CASI
MUSES	Mu Space Engineering Satellite	Goddard
MUX	Multiplexer	CASI
MV	Apparent Visual Magnitude	Goddard
MVA	Minimum Vectoring Altitude	CASI
MVEKK	Interdepartmental Expert Commission of Cosmonautics	Langley
MVGVT	Mated Vertical Ground Vibration Tests (of space shuttle)	CASI
MVI	MODIS Vegetation Index	Goddard
MVIP	Micro Virtual Interface Processor	Goddard
MVM-73	Mariner/Venus/Mercury Fly-by-Mission	CASI
MVS	Multiple Virtual Storage	Langley
MVS	Multiple Virtual System	CASI
MW/IR	Microwave/Infrared	Goddard
MWA	Momentum Wheel Assembly	Goddard
MWD	Momentum Wheel Driver (HETE-2)	Goddard
MWIR	Medium Wave Infrared	Goddard
MWP	Microwave Water Path	Goddard
MWS	Minimum Wheel Speed	Goddard
MWS	Microwave Wind Scatterometer	CASI
MY	Million Years	CASI
MY	Millions of Years	CASI
		back to top