Ka-Bar (/ ˈ k eɪ. b ɑːr /; trademarked as KA-BAR) is the contemporary popular name for the combat knife first adopted by the United States Marine Corps in November 1942 as the 1219C2 combat knife (later designated the USMC Mark 2 combat knife or Knife, Fighting Utility), and subsequently adopted by the United States Navy as the U.S. Navy utility knife, Mark 2.. "/>Elite edge knives switchblade