U.S. Marines with the Silent Drill Platoon 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)