機器
armed
armor
armored
armour
army
artillery
attack
background
battle
black
camouflage
cannon
color
colorful
combat
conflict
defense
design
element
flat
force
gun
heavy
icon
illustration
isolated
military
power
set
sign
silhouette
soldier
symbol
tank
technology
track
transport
transportation
turret
vehicle
war
wartime
weapon
white
world