The 39th Commandant of the Marine Corps, Gen. Eric M. Smith, shakes hands with Cpl. Daniel L. Heller, a U.S. Marine Corps Vietnam veteran, during his Navy Cross award ceremony at Marine Barracks Washington, Washington D.C., Wednesday, Aug. 28, 2024. The award ceremony was an upgrade to a Silver Star award for Cpl. Heller's actions during the Vietnam War on Feb. 13, 1969. - The 39th Commandant of the Marine Corps, Gen. Eric M. Smith, shakes hands with Cpl. Daniel L. Heller, a U.S. Marine Corps Vietnam veteran, during his Navy Cross award ceremony at Marine Barracks Washington, Washington D.C., Wednesday, Aug. 28, 2024. The award ceremony was an upgrade to a Silver Star award for Cpl. Heller's actions during the Vietnam War on Feb. 13, 1969.