Joint Service Color Guard The joint service color guard displays the American and service flags during the 2015 USO Gala in Washington, D.C., Oct. 20, 2015. U.S. Marine Corps photo by Sgt. Gabriela Garcia SHARE IMAGE: Download Image: Full Size (2.5 MB) Tags: 37th Commandant of the Marine Corps, Gen. Robert B. Neller, 2015 USO Gala, Commandant of the Marine Corps, All images, usmc Photo By: Sgt. Gabriela Garcia VIRIN: 151020-M-SA716-040.JPG Photo Gallery