HEADQUARTERS HANDSHAKE U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, shakes hands with U.S. Marine Corps Gen. John R. Allen as U.S. Marine Corps Gen. James F. Amos, Marine Corps commandant, looks on at the International Security Assistance Force headquarters in Kabul, Afghanistan, Feb. 10, 2013. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 295169-J-ULV85-020.jpg Photo Gallery