英文關鍵字
air
aircraft
airforce
airplane
airshow
apache
armed
army
attack
aviation
battle
bomb
camouflage
chinook
chopper
city
combat
copter
demonstration
fighter
flight
fly
flying
force
grey
gun
hawk
helicopter
hovering
machinery
military
navy
operation
pilot
plane
propeller
rotor
show
silhouette
sky
soldier
speed
sunset
technology
transport
transportation
travel
war
warfare
weapon