unit air defense
протиповітряна оборона військової частини
протиповітряна оборона військової частини
perimeter defense (all-around defense)
beach defense mine / beach-defense mine
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
aerial refueling / air refueling / in-flight refueling (IFR) / air-to-air refueling (AAR)
air combat capable helicopter / air-to-air capable helicopter
air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen