050904-N-7638K-008 Biloxi, Miss. (Sept. 4, 2005) – Commanding Officer, USS Iwo Jima (LHD 7), Capt. Richard S. Callas, left, and Command Master Chief James Cox lead their crew members as they arrive ashore via Landing Craft, Air Cushion (LCAC) to render assistance to Hurricane Katrina survivors. The Navy's involvement in the Hurricane Katrina humanitarian assistance operations is led by the Federal Emergency Management Agency (FEMA), in conjunction with the Department of Defense. U.S. Navy photo by Lithographer 1st Class Edward S. Kessler (RELEASED)