CEMETERY TOUR U.S. Defense Secretary Leon E. Panetta tours a cemetery on the shores of Tripoli, Libya, where U.S. Marines and sailors lost aboard the USS Intrepid more than 200 years ago are buried, Dec. 17, 2011. Panetta is the first U.S. defense secretary to visit Libya. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 230342-C-HZK04-386.jpg Photo Gallery