Tammy Costas, wife of U.S. Air Force Lt. Col. Pete Costas, fires up the water hose to spray down her husband after his return from his final mission, on June 6, 2015, Barksdale Air Force Base, La. Costas is a B-52H Stratofortress pilot and is retiring from the Air Force Reserve. (U.S. Air Force photo by Master Sgt. Dachelle Melville/Released)