OUT ON A LEDGE U.S. Marines cling to small ledges on the tail of a Sea Knight helicopter to remove dirt and debris from within the aircraft during an agricultural wash on the flight deck of the amphibious assault ship USS Peleliu in the Gulf of Aden, Sept. 4, 2008. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 249994-O-RWN45-681.jpg Photo Gallery