Marines with 2nd Assault Amphibian Battalion, 2nd Marine Division, load an MK-154 Mine Clearance Rocket onto an Assault Amphibious Vehicle during training to learn how to properly install the kit to the AAV aboard Camp Lejeune, N.C., March 9, 2015. The Marines used both classroom and practical application sessions to memorize the proper procedures for installing and operating the kit. (U.S. Marine Corps photo by Pfc. David N. Hersey/Released)