A Marine with 2nd Marine Special Operations Battalion, Marine Corps Special Operations Command from Camp Lejeune, N.C., grips the single cord that will deploy his parachute during free-fall and static airborne sustainment training from a Marine Aerial Refueler Transport Squadron 252 KC-130J Hercules, above Marine Corps Auxiliary Landing Field Bogue, N.C., Sept. 12. The Marines complete aerial sustainment training quarterly.