機器
allies
american
armed
armor
armored
army
artillery
barrel
battle
bunker
camouflage
cannon
canon
concrete
danger
famous
fight
fighthing
forces
fortress
green
gun
hazard
heavy
historic
historical
history
iconic
invasion
isolated
machinery
military
muzzle
normandy
old
olive
pillbox
power
shooting
sky
steel
tactical
tank
target
turret
war
warfare
weapon
world war