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MUSPA
MUSPA Area-denial mine, dispensed by MW-1 system
(G).
Must Multimission u.h.f. satcom terminal.
Mustrs, MUSTRS Multisensor target-recognition
system.
MUT Multi-use thruster.
Muta, MUTA Military upper [-level] traffic control area.
Mutes Multiple-threat emitter system; simulates many
hostile emissions simultaneously.
mute switch Disconnects headset, microphone (term also
often used for PA disconnect).
muting See mute switch.
mutual inductance The e.m.f. in a circuit caused by rapid
change in surrounding magnetic field, unit = henry, symbol
M, also = Wb per ampere.
mutual interception By two friendly interceptors on each
other.
mux Multiplex[er].
muzzle brake Any of variety of gun-muzzle gas deflector
units to reduce recoil, or blast on surrounding structure.
muzzle cap Frangible closure on gun muzzle to reduce
drag and ingestion of precipitation.
muzzle energy Kinetic energy of each projectile as it leaves
gun, measured relative to gun.
muzzle horsepower Standard non-SI measure of gun
power, esp. automatic weapons; muzzle energy multiplied
by rate of fire (units being compatible).
MV 1 Muzzle velocity.
2 Miniature vehicle.
3 Mass value.
mV Millivolt[s].
MVA 1 Minimum vectoring altitude.
2 Multivariate analysis.
3 Megavolt-amperes, basic unit of large AC powers.
MVAR Magnetic variation.
MVDF MF and VHF D/F facilities co-located (ICAO).
MVEE Military Vehicles Experimental Establishment
(UK).
MVFR Marginal VFR.
MVG Moving.
MVIS Microgravity vibration-isolating system.
MVL, mvl Mid-value logic.
MVM 1 Muzzle-velocity measure(ment).
2 Mounted vertical manoeuvre.
MVME Modular virtual memory environment.
MVMT Movement.
MVPA Military variable-profile area (air-traffic
management).
MVPS Multiple vertical protective shelter (ICBM).
MVS 1 Minimum vector speed (light pen).
2 Multi-vendor system (distributed networks).
MVSRF Man/vehicle systems research facility (NASA,
Ames).
MVT Multi-view tomography.
MVTU Moscow higher technical school.
MVW 1 Maximum VTOL weight.
2 Maintenance virtual workplace.
MW 1 Medium wave.
2 Methanol/water.
MZFW
3 Megawatt[s].
4 Microwave.
5 Mine warfare.
M W Bending moment at wing root.
mW Milliwatt[s].
MWA 1 Multiple weapons adaptor.
2 Momentum-wheel assembly.
3 Mountain-wave activity.
MWARA Major world air-route area.
MWCS Multiple weapons carrier, or carriage, system.
MWD Military working dog.
MWDB Miscellaneous Weapons Development Branch
(UK, 1942–45).
MWDP 1 Mutual weapons development program.
2 Master warning display panel.
MWE 1 Manufactured (or manufacturer’s) weight
empty.
2 Maximum weight empty.
MW(E) Megawatts electrical.
MW50 Methanol 50%, water 49.5%, inhibitor 0.5%.
MWG Maintenance Working Group[s].
MWIR Mid-, or medium-, wave IR.
MWL 1 Minimum takeoff distance on water to clear
standard (35 or 50 ft) obstacle.
2 Maintain wings level.
MWLD Man-worn laser detector.
MWO 1 Meteorological Watch Office (ICAO).
2 Modification work order.
MWP 1 Museum of Women Pilots (US).
2 Meteorologist weather processor (FAA).
3 Master warning panel.
MWR 1 Millimetre-wave radar.
2 Microwave radiometer.
MWS 1 Master warning system.
2 Missile Warning Squadron (USAF).
3 Multiple-warhead system[s].
4 Modular workstation.
5 Missile warning system; –PE adds passive element.
MW(T) Megawatts (thermal).
MWVS Mission weapon visionics system.
MX Mixed types of icing, white and clear (ICAO).
M x 1 Bending moment at any station x.
2 Helicopter-rotor rolling moment, positive to starboard.
MXD Mixed (ICAO).
MY Multi-year [C adds contract(ing)].
M y Helicopter-rotor pitching moment, nose-up positive.
Mylar Tough transparent film, of terephthalate polyester
family, usable down to extreme thinness (hence light weight
per unit area).
Mynapak Integrated circuit with up to three ceramic
substrates carrying devices connected by gold wires, the
whole being N 2 -filled (BAe).
Myopia Short sight, near-parallel rays being focused in
front of the retina.
MYP Multi-year procurement, or programme.
myriametre Non-SI term for 10 4 metres, hence myriametric.
M o , M zero Zero-lift pitching moment.
MZFW Maximum zero-fuel weight.
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