U.S. Marine Corps Lt. Gen. John A. Toolan, commanding general, 1st Marine Expeditionary Force boards a plane at Marine Corps Air Ground Combat Center after completing his battlefield circulation of Exercise DESERT SCIMITAR aboard Twentynine Palms, Calif., May 3, 2013. Exercise DESERT SCIMITAR was conducted to test and train 1st Marine Division command and control capabilities in scenarios representative of battlefield conditions. (U.S. Marine Corps Photo by Lance Cpl. Ismael E. Ortega, 1st Marine Division Combat Camera / Released)