A fighting knife, also commonly called a combat knife, is a knife designed for military use, specifically for close combat. Although since the end of trench warfare, most military knives have been primarily designed for utility or tool use. Activities such as clearing foliage, chopping branches for cover, opening ammunition crates, etc. This is a figthing knife used by the United States armed forces during World War Two. manufactured by camillus. type MARK 2, U.S.N. The design of the knife consists of a leather handle with several grooves placed at inrtervals. This feature improved the grip for the handle. A flat, metal circular piece makes up the pommel. A rectangular wedge secured the pommel in place.