機器
antitank
armor
armored
armour
army
artillery
attack
background
barrel
battle
battlefield
cannon
civil
conflict
danger
dark
death
defense
equipment
field
fieldgun
fight
fire
fog
forces
gun
heavy
historic
history
infantry
iron
killing
metal
military
night
old
outdoor
power
shell
shot
soldier
steel
tank
vintage
war
warfare
weapon
wheel
world