FAREWELL HANDSHAKE Deputy Defense Secretary William J. Lynn III congratulates Army Gen. David H. Petraeus at his retirement ceremony and Armed Forces Farewell on Joint Base Meyer-Henderson Hall, Va., Aug. 31, 2011. Petraeus retired after a 37-year career to become CIA director. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 411332-N-PZG55-852.jpg Photo Gallery