ancient
antique
architecture
arm
armed
army
artillery
attack
ball
battle
battlefield
boat
buccaneer
cannon
conflict
danger
defence
defending
defense
equipment
fight
forces
fort
fortification
fortified
fortress
gun
historic
historical
history
industrial
iron
metal
military
navy
old
past
pirate
power
protection
ship
shot
tourism
travel
vintage
wall
war
weapon