機器
adult
aim
ambush
ammunition
automatic
background
battle
camouflage
combat
dangerous
defense
field
fight
fire
force
green
hand
helicopter
helmet
human
looking
man
officer
operation
operator
optical
outdoor
person
private
projection
rebel
reconnaissance
reconstruction
recruit
rifle
rookie
scope
scout
shoot
shooter
soldier
special
tactics
target
teaching
trees
uniform
weapon