英文關鍵字
air
aircraft
airplane
armed
army
attack
aviation
aviator
battle
battlefield
bomber
breathing
capabilities
combat
conventional
defense
dressing
fight
fighter
fighters
flight
fly
force
forces
helmet
helmets
jet
maneuverability
mask
masks
military
modern
national
officer
oxygen
performance
pilot
piloting
pilots
plane
room
security
speed
superiority
tactical
uniform
uniforms
war
warfare