U.S. Marines assigned to assigned to Charley Company, 1st Battalion, 7th Marine Regiment (1/7), 1st Marine Division and agents from the Federal Bureau of Investigation maneuver toward MV-22 Osprey tiltrotor aircraft from Marine Medium Tiltrotor Squadron (VMM) 166, Marine Aircraft Group 16, 3rd Marine Aircraft Wing, completing a long-range raid during Desert Scimitar 2015 (DS15) on Fort Hunter Liggett, Calif., April 11, 2015. DS15 is a combined arms exercise that allows units to maintain readiness and meet current and future real-world demands. (U.S. Marine Corps photo by Cpl. Darien J. Bjorndal, 3rd Marine Aircraft Wing/ Released)