U.S. Marines with the Marine Drum & Bugle Corps perform during an evening parade at Marine Barracks Washington, Washington, D.C., May 1, 2015. The parades, which are held Friday nights during the summer months, are a means of honoring senior officials, distinguished citizens, and supporters of the U.S. Marine Corps. (U.S. Marine Corps photo by Lance Cpl. Alex A. Quiles/Released)