A CH-53E Super Stallion lowers a M777 Howitzer and its ammunition onto a landing zone aboard Marine Corps Base Camp Lejeune, N.C., as part of a reactionary combat training exercise Sept. 30, 2014. The purpose of the exercise was to build cohesion between and the aircraft’s crew and the Marines on the ground handling the equipment. (U.S. Marine Corps photo by Lance Cpl. Olivia C. McDonald/Released) - A CH-53E Super Stallion lowers a M777 Howitzer and its ammunition onto a landing zone aboard Marine Corps Base Camp Lejeune, N.C., as part of a reactionary combat training exercise Sept. 30, 2014. The purpose of the exercise was to build cohesion between and the aircraft’s crew and the Marines on the ground handling the equipment. (U.S. Marine Corps photo by Lance Cpl. Olivia C. McDonald/Released)