機器
50
aircooled
ammo
ammunition
antiaircraft
antitank
armored
army
attack
barrel
battle
battlefield
belt
bolt
brigade
browning
caliber
combat
defense
fiftycal
fight
fire
force
gear
gun
gunner
heavy
infantry
john
m2
machine gun
mount
mounted
navy
recoil
rifle
rounds
semiautomatic
shoot
soldier
tactical
trigger
troops
vehicle
war
warfare
weapon
world