U.S. Army Lt. Gen. Kevin W. Mangum, U.S. Army Training and Doctrine Command deputy commander, re-enlists two U.S. Army Reserve Soldiers at TRADOC on Fort Eustis, Va., April 23, 2015. Mangum enlisted the two soldiers as part of the U.S. Army Reserve’s 107th birthday celebration. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)