英文關鍵字
accident
aggression
air
airliner
airplane
army
attack
aviation
blue
bomb
caliber
classification
combat
conflict
danger
destruction
engine
explodes
explosive
fire
flies
flight
fly
goal
hitting
jet
launch
military
missile
nozzle
power
projectile
protection
rocket
sky
smoke
speed
striking
supersonic
surfaceair
system
takeoff
target
technology
the
top
transport
war
white