U.S. Army Soldiers and Air Force Airmen from Joint Base Langley-Eustis, Va., participate in a patriotic exercise along with U.S. Marines and Coast Guardsmen during Yorktown Day, Oct. 19, 2015. Yorktown Day celebrates Battle of Yorktown, the last major land battle of the American Revolutionary War, which ended with British General Lord Charles Cornwallis’ surrender to American and French forces led by General George Washington and Jean-Baptiste Donatien de Vimeur, the Comte de Rochambeau. (U.S. Air Force photo by Master Sgt. April Wickes/Released)