Secretary of Defense Chuck Hagel recognizes Gail Donley, wife of Secretary of the Air Force Michael Donley, for her support of Airmen and their families, during a farewell ceremony, June 21, 2013, at Joint Base Andrews, Md. Donley was confirmed as the 22nd secretary of the Air Force, Oct. 2, 2008. He had been serving as the acting secretary since June of that year, as well as for seven months in 1993, making him the longest-serving secretary of the Air Force in the service's history. (U.S. Air Force photo/Scott M. Ash)