英文關鍵字
aerial
aerospace
air
airforce
aircraft
airplane
armed
attack
aviation
buttons
cabin
cockpit
combat
danger
defense
destroy
fast
fighter
fighting
flight
fly
force
industry
invasion
jet
launch
metal
military
missile
mission
navigation
pilot
plane
power
sky
speed
squadron
steel
technology
training
transport
vehicle
war
warplane
warfare
warning
weapon
wheel