英文關鍵字
aerospace
air
airborne
aircraft
army
aviation
blade
blades
camouflage
cargo
cargochopper
chopper
combat
flight
fly
force
green
heavy
helicopter
hover
international
lift
merlin
military
night
raf
rescue
rotating
rotor
royal
runway
sea
search
sky
soldier
squadron
technology
transport
troops
vertol
vision
war