TROOP VISIT U.S. Defense Secretary Leon E. Panetta speaks to U.S. troops on Camp Lemonnier in Djibouti, Dec. 13, 2011. Panetta thanked each service member for their efforts and sacrifices while also wishing them happy holidays. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 533771-B-HRT77-396.jpg Photo Gallery