air tanker; aerial refueling aircraft
Military/aviation term for an aircraft that refuels other aircraft in flight.
See also: 空中給油
The air tanker refueled the fighter jet.
空中給油 refers to the act of aerial refueling, while 空中給油機 is the aircraft that performs it.
Compound of 空中 (air, mid-air), 給油 (refueling), and 機 (machine, aircraft).