aggressive
artillery
assault
attack
barrel
bastion
battery
battle
battleship
blcher
bore
cannon
cannonade
coast
command
defence
defend
destroy
destruction
fight
fire
fort
fortification
fortress
gauge
grenade
groove
gun
gunner
gunpowder
invasion
justify
large bore
mortar
museum
norway
offensive
onset
oscarsborg
powder
protect
protection
raid
rampart
ruin
salute
shelter
shield
sink
war