Marines with 4th Platoon, Lima Company, 3rd Battalion,

Marines with 4th Platoon, Lima Company, 3rd Battalion, 8th Marine Regiment, set up perimeter security in a tactical landing zone, June 10, aboard Camp Lejeune, N.C., during a Tactical Recovery of Aircraft and Personnel training mission For a TRAP mission, a platoon of Marines is flown into an objective area, where they secure the area before locating a downed aircraft and its personnel to bring them back to safety. (U.S. Marine Corps photo by Cpl. Elizabeth A. Case/Released)