機器
action
adult
aiming
automatic
battle
camouflage
carrier
commando
competition
conflict
doomsday
firearm
force
forest
hands
helmet
hold
in hands
instruction
intelligence
man
mask
military
officer
operation
photo from below
plate
power
rebel
reconnaissance
reconstruction
rifle
rifleman
rookie
scope
security
shooter
sniper
soldier
tactical
take aim
target
teaching
teamwork
trees
trench
war
warfare
weapon