Acronyms: M

Acronym	Name
MODE S	Mode Select Beacon System
MODE S	Mode Select; Discrete Addressable Secondary Radar System With Data Link
MODEM	Modulator-Demodulator
MODEM	Modulator/demodulator
MON	Memorandum of Non-Compliance
MOPR	Minimum operational performance requirements
MOPS	Minimum operational performance standards
MOQA	Maintenance operations quality assurance
MORA	Minimum off-route altitude
MOS	Metal oxide semiconductor
MOS	Military Operations Specialist
MOS	Military occupational specialty
MOSA	Modular open systems approach
MOSP	Multi-mission optronic stabilized payload (U.S. Army)
MOU	Memorandum of understanding
MOV	Metal oxide varsitor
MP-CDL	Multi-Platform-Common Data Link
MPAR	Multi-function Phased Array Radar
MPAR	Multipurpose airport radar
MPCU	Multiport protocol converter unit
MPDS	Mobile packet data service
MPEG	Moving Picture Expert Group
MPEL	Maximum permissible exposure level
MPM	Microwave power module
MPO	Metropolitan Planning Organization
MPP	Materials, processes and parts
MPS	Maintenance Processor Subsystem (OR) Master Plan Supplement
MPS	Maintenance processor system/subsystem
MRA	Minimum Reception Altitude
MRA	Minimum reception altitude
MRB	Magnetic Reference Bearing
MRC	Monthly Recurring Charge
MRM	Maintenance Returned Monitoring
MRO	Maintenance, repair and overhaul
MRR	Manufacturing revision request
MRT	Mean repair time
MRT	Multi-remote terminal
MSA	Minimum Safe Altitude
MSAW	Minimum Safe Altitude Warning
MSB	Most significant bit
MSC	Message sequence chart
MSCP	Mobile satellite service provider
MSD	Mass storage device
MSD	Multi-Site Damage
MSDA	Material Safety Data Sheet
MSDS	Microsoft Data Engine
MSG	Message
MSI	Medium scale integration
MSK	Minimum shift keying
MSL	Mean Sea Level
MSL	Mean sea level
MSN	Message Switching Network
MSP	Mode S specific protocol
MSR	Monthly Status Report
MSSR	Monopulse secondary surveillance radar
MSSS	Mode S specific services
MSU	Mode select unit
MT	Minimum time
MTA	Message transfer agent
MTBF	Mean time between failure
MTBO	Mean time between outages
MTBR	Mean time between removal/repairs
MTBUR	Mean time between unit replacements
MTBUR	Mean time between unscheduled removal
MTC	Maintenance terminal cabinet
MTCS	Modular Terminal Communications System
MTD	Maintenance terminal display
MTD	Moving Target Detection
MTF	Maintenance terminal function
MTI	Moving Target Indicator
MTI	Moving target indicator
MTM	Module test and maintenance
MTMBIU	MTM bus interface unit
MTOS	Mountain Obscuration
MTOW	Maximum Takefoff Weight
MTOW	Maximum takeoff weight
MTR	Military Training Route
MTR	Military training route
MTS	Multi-spectral targeting system
MTSAT	Multifunction Transport Satellite
MTTDA	Mean time to dispatch alert
MTTF	Mean time to failure
MTTM	Mean time to maintenance
MTTMA	Mean time to maintenance alert
MTTR	Mean time to repair
MTTRS	Mean time to restore service
MTTUR	Mean time to unscheduled removal
MU	Management unit
MUE	Modernized user equipment
MUM	Manned unmanned teaming
MUOS	Mobile User Objective System
MUS	Minimum use specification
MUSE	Multi-user system environment
MUX	Multiplexer
MUX	Multiplexor
MVA	Minimum Vectoring Altitude
MVA	Minimum vectoring altitude
MVFR	Marginal Visual Flight Rules
MVMC	Marginal visual meteorological conditions
MWA	Mountain Wave Activity

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Acronyms: M