SECRETARY AWARD Defense Secretary Chuck Hagel, left, presents Air Force Secretary Michael B. Donley with an award during his farewell ceremony on Joint Base Andrews, Md., June 21, 2013. Donley served as the 22nd and longest serving Air Force secretary. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 932480-Y-IGM85-805.jpg Photo Gallery