Weapons are an important part of military defense and offense. ORDNANCE is a term used to refer to the complete range of weapons, ammunition, and equipment used by a military force. An ARSENAL is a place where weapons and ammunition are stored and maintained. Cannons are large, heavy GUNS that fire explosive shells. ARMS are weapons such as swords, knives, and firearms. An ARMY is a large group of people trained and organized for military service. GUNS are small firearms that shoot bullets. RIFLES are long GUNS with a grooved barrel that make them more accurate than handguns. Sabres are curved swords with one sharp edge. SPEARS are long poles with a sharp point at one end. ARMAMENT is a collective term for weapons and military equipment.