GUEST BOOK Navy Adm. Eric T. Olson, commander, U.S. Special Operations Command, looks on as Defense Secretary Leon E. Panetta signs a guest book during a visit to USSOCOM headquarters at MacDill Air Force Base, Fla., Aug. 8, 2011. Olson will relinquish command to Adm. William H. McRaven during a change of command ceremony. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 805453-T-QIU63-870.jpg Photo Gallery