U.S. Army Gen. Lloyd Austin, commander of U.S. Forces-Iraq, bids farewell to U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, at Al-Asad Air Base, Iraq, Aug. 2, 2011. U.S. Army Gen. Lloyd Austin, commander of U.S. Forces-Iraq, bids farewell to U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, at Al-Asad Air Base, Iraq, Aug. 2, 2011. SHARE: Download: Full Size (1.78 MB) Tags: Photo Essays Credit: VIRIN: 707106-X-LCK55-034.jpg Photo Gallery