U.S. Marines with Alpha battery, 2nd Low Altitude Air Defense (2D LAAD) Battalion, fire a Stinger Weapon System during a live-fire exercise at Onslow Beach, Camp Lejeune, N.C., March 18, 2014. 2D LAAD conducted the exercise to familiarize Marines with the missile weapon system. (U.S. Marine Corps photo by Lance Cpl. Austin A. Lewis/Released)