Members of the U.S. Marine Corps Silent Drill Platoon perform during an Evening Parade in honor of British Royal Navy 1st Sea Lord Adm. Sir George Zambellas, not shown, at Marine Barracks Washington in Washington, D.C., Aug. 1, 2014. Zambellas is visiting the United States as part of the Counterpart Visit Program hosted by the Commandant of the Marine Corps, Gen. James F. Amos. (U.S. Marine Corps photo by Cpl. Michael C. Guinto/Released)