Derrick Slaughter, a U.S. government contractor, teaches techniques and procedures to counter roadside bombs to U.S. Marines and Sailors of Weapons Company, Battalion Landing Team 1st Battalion, 2nd Marine Regiment, 24th Marine Expeditionary Unit, as part of sustainment training ashore, June 22, 2012. The 24th MEU is deployed as part of the Iwo Jima Amphibious Ready Group, a U.S. Central Command theater reserve force providing support for maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.