PANETTA'S COIN U.S. Defense Secretary Leon E. Panetta places his coin on a U.S. service member’s grave in Tripoli, Libya, Dec. 17, 2011. Panetta visited the western cemetery where U.S. Marines and sailors killed in the 1800s are buried. DOD photo by Erin A. Kirk-Cuomo SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 026470-T-FYM33-974.jpg Photo Gallery