U.S. Marine Corps Staff Sgt. Codie Williams, with U.S. Marine Drum & Bugle Corps, left, sounds Officers’ Call to Sgt. Major Joseph Grey, sergeant major of Marine Barracks Washington (MBW), at MBW, Washington, D.C., April 24, 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 Marine Corps. (U.S. Marine Corps photo by Lance Cpl. Kayla V. McTaw/Released)