Ключевые слова: army, artillery, caliber, cannon, canon, combat, defence, defense, equipment, european, exterior, famous, fight, gun, gunnery, historic, historical, history, howitzer, iron, landmark, metal, military, monument, muzzle, obsolete, old, ordnance, outdoors, past, position, power, protection, retro, shield, steel, unit, vintage, wall, war, warfare, warlike, weapon,