U.S. Marines from Marine Barracks Washington, D.C. prepare to fire a three-volley salute at a funeral for retired U.S. Marine Corps Gen. Earl E. Anderson, former assistant commandant of the Marine Corps, at Arlington National Cemetery, Arlington, Virginia, March 31, 2016. Anderson was the first active duty Marine Naval Aviator to be promoted to a four-star rank. (U.S. Marine Corps photo by Lance Cpl. Paul A. Ochoa)