A costumed hero greets service members as they finish the last 200 meters of a Morale, Welfare and Recreation 5K run to celebrate the Army Reserve’s 107th birthday on Camp Arifjan, Kuwait, April 23, 2015. The Army Reserve makes up nearly 20 percent of U.S. Army Central, which is the ground component command in the U.S. Central Command area of responsibility. (U.S. Army photo by Staff Sgt. Bryan Dominique, 20th Public Affairs Detachment, USARCENT)