Gulf of Mexico (Aug. 31. 2005) Sailors stationed aboard the Landing Craft Mechanized One Nine (LCM 19) assigned to Assault Craft Unit Two (ACU 2) man the rails as they prepare to embark aboard the amphibious dock landing ship USS Tortuga (LSD 46) in support of Hurricane Katrina disaster relief efforts. The Navy's involvement in the humanitarian assistance operations is led by the Federal Emergency Management Agency (FEMA), in conjunction with the Department of Defense. U.S. Navy photo by Journalist Brian Seymour (RELEASED)