N-ська (невідома, невизначена) частина
battery coolant unit / battery-coolant unit (BCU)
gear reduction unit / gear-reduction unit
position and navigation unit / position navigation unit (PNU)
pinch (a unit) out of a large unit
adjacent unit
administrative support unit
air assault infantry unit
air defense fire unit
air filtration unit
alarm unit
armored cavalry unit
armored unit
artillery unit
assault unit
attached unit
attacking unit
auxiliary power unit (APU)
blank unit
blasting unit
chemical unit
Civilian Police Unit
cohesive tactical sized unit
cohesive unit
combat engineer unit
command launch unit (CLU)
company march unit
control and display unit (CDU)
cooperating unit
cryptologic unit
curdler unit
damper landing gear unit
data storage unit