refueling unit

aerial refueling / air refueling / in-flight refueling (IFR) / air-to-air refueling (AAR)

flight refueling

forward arming and refueling point (FARP)

probe-and-drogue refueling system

refueler; refueling tender

refueling

refueling equipment

refueling on the move (ROM)

refueling operations

refueling pod

refueling point

refueling rendezvous

refueling tender

astern refueling

rearming and refueling aircraft rotation

buddy-buddy refueling

bulk refueling vehicle

can-refueling method

in-flight refueling capability

refueling / refuelling

refueling probe / refuelling probe

single-point refueling manifold

Next-Generation Air-Refueling System (NGAS)

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

administrative support unit

air assault infantry unit

air defense fire unit

air filtration unit

alarm unit