An M1A1 Abrams tank assigned to Alpha Company, 1st Tank Battalion, 1st Marine Division participates in a combined arms assault during Desert Scimitar, May 15, 2014, aboard Marine Corps Air Ground Combat Center Twentynine Palms, California. Desert Scimitar 2014 was a 1st Marine Division exercise held to test and refine its command and control capabilities by acting as the headquarters element for a forward-deployed Marine Expeditionary Force simultaneously offering units the opportunity to hone their conventional war fighting skills. (U.S. Marine Corps photo by Corporal Trent Randolph, 1st Marine Division Combat Camera/Released)