"refueling" - key terms from Wikipedia

aerial refueling
air refueling
air refueling	envelope
air refueling	squadron
air refueling	wing
automated aerial refueling
cng refueling	stations
completed refueling
equipped for buddy refueling
refueling
refueling	aircraft
refueling	boom
refueling	equipment
refueling	pods
refueling	probe
refueling	stations
refueling	system
refueling	valve
without aerial refueling