U.S. Marines from different units arm a breaching charge during an urban breaching range at Camp Lejeune, N.C., March 20, 2018. Marines performed urban breaching exercises to gain hands-on experience in conducting tactical maneuvers, as well as proper handling and making of explosive charges. The Marines are with 2nd Combat Engineer Battalion and 3rd Battalion, 6th Marine Regiment, 2nd Marine Division. - U.S. Marines from different units arm a breaching charge during an urban breaching range at Camp Lejeune, N.C., March 20, 2018. Marines performed urban breaching exercises to gain hands-on experience in conducting tactical maneuvers, as well as proper handling and making of explosive charges. The Marines are with 2nd Combat Engineer Battalion and 3rd Battalion, 6th Marine Regiment, 2nd Marine Division.