action
aggression
armed
army
banner
board
bomb
bombing
caution
combat
communication
concept
conflict
danger
design
exacerbation
fight
fly
flying
for peace
forbidden
force
graphic
icon
illustration
information
isolated
message
military
mine
no
no war
patriotism
peace
protest
red
religion
round
sign
silhouette
soldier
sticker
stop
symbol
war
warning
weapon
white
world