EGYPT AIR FORCE BASE Egyptian Maj. Gen Hassan Ahmed El Rouni, central military zone commander, and U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, walk after Dempsey's arrival on Cairo East Air Force Base, Feb. 10, 2012. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 823510-I-IFW91-427.jpg Photo Gallery