COMMANDER VISIT U.S. Defense Secretary Leon E. Panetta talks with U.S. Navy Capt. W. Scott Butler, commander of Naval Air Station Sigonella, during Panetta's visit there to thank international troops for their service, Oct. 7, 2011. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 933761-S-TID08-340.jpg Photo Gallery