The United States Marine Corps Color Guard performs during the Evening Parade at Marine Barracks Washington, D.C., Aug. 26, 2016. The guest of honor for the parade was the Honorable Ashton B. Carter, Secretary of Defense, and the hosting official was Gen. Robert B. Neller, commandant of the Marine Corps. (Official Marine Corps photo by Lance Cpl. Robert Knapp/Released) - The United States Marine Corps Color Guard performs during the Evening Parade at Marine Barracks Washington, D.C., Aug. 26, 2016. The guest of honor for the parade was the Honorable Ashton B. Carter, Secretary of Defense, and the hosting official was Gen. Robert B. Neller, commandant of the Marine Corps. (Official Marine Corps photo by Lance Cpl. Robert Knapp/Released)