U.S. Air Force Capt. Philip Gunn participates in a flyover during the internment ceremony of Brig. Gen. Robinson Risner, Jan. 23, 2014, at Arlington National Cemetery. Risner was the Air Force's 20th ace and survived more than seven years of captivity as a prisoner during the Vietnam War. Gunn is a 336th Fighter Squadron weapons system officer assigned to Seymour Johnson Air Force Base, N.C.
(Caption by U.S. Air Force)