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mission control [center]
aircraft is available to perform its mission, expressed as
percentage.
mission control [center] Term usually means control of
spacecraft.
mission degradation factor Variables affecting mission,
eg abort, navigation error, misidentification of target, etc.
mission equipment See role equipment.
mission-oriented items Those required following numerical
assessment of enemy capabilities or targets.
mission profile Graphical or written plot of flight level
from start to finish of mission, usually a succession of lo
and/or hi.
mission radius Practical radius of action for aircraft
equipped and loaded for mission on given profile, with
allowances varying in peace or war; invariably less than
half range with same load.
mission review report Intelligence report containing
information on all targets covered by one reconnaissance
sortie.
mission specialist Engineer or mathematician responsible
for planning spaceflight, assigning payloads and
assisting integration.
Mist 1 Miniature spaceplane technology.
2 Meteorological-information self-briefing terminal.
3 Modular interoperable satellite terminal.
4 Mosaic IR sensor technology.
mist 1 Visibility reduced by water droplets to 1–10 km.
2 Mixture of gas (invariably air) and finely divided
liquid (usually an oil).
3 Definition ‘popular expression for drizzle’ is
erroneous.
Mistel Code name for explosive-filled pilotless aircraft
guided to target by a pilot in a fighter initially linked to it
(G, WW2).
misting 1 Obscuration of transparency caused by
condensed water droplets.
2 Tendency of fuel to form easily ignited dispersion in
crash.
Mistral Cold, dry wind from N/NW [French S coast].
Mists Modular(ized) IR transmitting set.
mistuning Introducing microscopic variation into the
thickness of gas-turbine rotor blades (alternate blades,
pairs or quadrants) to reduce stress due to flutter.
MIT 1 Massachusetts Institute of Technology.
2 Moscow Institute for Thermotechnology.
3 Miles in trail.
4 Military integrated team.
MITAS, Mitas Multi-sensor imaging technology for
airborne surveillance.
Mite Micro tactical[ly] expendable.
MiTEx Micro-satellite technology experiment (Darpa,
NRL, USAF).
MITI Ministry of International Trade and Industry (J).
MITO Minimum-interval takeoff.
MITS Multi-integrated TCPED systems.
MIU Missile interface unit.
mix See mixer.
mixed compression In a supersonic inlet, flow compression
through shockwaves both outside and inside the
duct.
mixed conventional loads pattern management Software
enabling B-2 [possibly other aircraft] to attack target[s]
with several types of free-fall weapon in single pass.
MKS
mixed-exhaust nacelle Engine nacelle fitted with a mixer
(3).
mixed fleet flying Qualification of all airline’s pilots to
fly two aircraft types on successive flights, e.g. a narrow -
and a widebody, or a four-engine aircraft and a twin
(Airbus).
mixed-flow augmentation Turbofan whose core and
bypass flows are mixed upstream of augmenter (afterburner,
reheat jetpipe).
mixed-flow compressor Axial followed by centrifugal.
mixed-flow nozzle Single nozzle for fan and core. Not
necessarily a mixer.
mixed-manned UCAV Fleet of UCAVs under integrated
control, also called MSIC.
mixed mode 1 Combining two EM-wave propagation
modes.
2 Takeoffs and landings on same runway; hence MM
operations.
mixed power aircraft Equipped with more than one
species of propulsion, notably turbojet and rocket.
mixed propellant See dual propellant.
mixed traffic Contrasting types of aircraft (eg jets and
lightplanes) under control or otherwise in same airspace,
esp. on approach.
mixed twin-spool turbofan Engine in which the fan
rotates with an LP compressor which supercharges the
core [the most common type].
mixer 1 In communications radio, first detector in
superhet receiver, which combines received signal with
locally generated oscillation to yield intermediate
frequency.
2 In AFCS, pitch/roll proportioning device, either
mechanical or electronic, for supplying required signals to
different surface power units.
3 Annular array of chutes in turbofan jetpipe which
causes rapid mixing of core and bypass [fan] flows.
mixer nozzle/ejector Proposed propulsion for SSBJ:
low-BPR tubofan with con/di ejector nozzle mixing jet
and bypass flows.
mixing box Mixer (2), occasionally purely mechanical
for translating flight-control input into required surface
deflections on two axes.
mixing length Most common meaning is linear distance
for fuel droplet to be vaporised.
mixture Air/fuel vapour suitable for piston engine, other
than direct-injection types; hence * control, * ratio, etc.
mixture control Manual inceptor formerly included in
carburettor to maintain desired mixture as piston engine
gains altitude.
MJ Megajoule[s], 10 6 joules.
Mj Fully expanded jet exit Mach number.
mJ Millijoule[s] [10 -6 J].
MJP Magnetron jamming pod.
MJPO Milsatcom Joint Project Office (USAF).
MJS mission Mars, Jupiter, Saturn mission; hence
MJSU also includes Uranus.
MK Machine cannon (G).
Mk Mark (UK designations).
MKB Machine-construction [i.e., engine design] bureau
(R).
MKC Multiple-kill capability.
MKR, Mkr Fan marker.
MKS 1 Metre/kilogramme/second [A adds ampere];
outmoded “engineering” system of metric units.
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