U.S. Marine Corps Staff Sgt. Charles Creer, a vehicle commander with Apache Company, 3rd Light Armored Reconnaissance Battalion, communicates using an ANPRC-152 single channel radio set during Exercise DESERT SCIMITAR aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., April, 30, 2013. Exercise DESERT SCIMITAR was conducted to allow 1st Marine Division to sustain their ability to plan and execute command and control functions in both offensive and defensive scenarios. (Official US Marine Corps photo by Sgt. Michael Walters, 1st Marine Division Combat Camera/ Released)