U.S. Marines assigned to 3rd Marine Special Operations Battalion (MSOB) await to conduct helocast training exercise near Marine Corps Base Camp Lejeune, N.C., June 10, 2015. Marine Heavy Helicopter Squadron 366 supported Marines assigned to the 3rd MSOB by providing air transportation in a CH-53E Super Stallion. (U.S. Marine Corps photo by Lance Cpl. Koby I. Saunders/Released)