機器
aggression
aim
aiming
armed
army
assassin
assault
background
black
caucasian
clothing
combat
conflict
crime
criminal
danger
defense
equipment
fight
firearm
force
gun
infantry
kill
killer
male
man
military
murder
night
person
police
protection
rebel
rifle
security
shooting
sniper
soldier
special
tactical
terrorism
terrorist
uniform
violence
war
warfare
warrior
weapon