Keywords: US Navy 050908-N-0535P-191 A U.S. Navy diver prepares to enter a channel near Mobile, Ala., as part of the Hurricane Katrina relief efforts.jpg en Mobile Ala Sept 8 2005 - A U S Navy diver prepares to enter a channel near Mobile Ala as part of the Hurricane Katrina relief efforts The divers assigned to the rescue and salvage ship USS Grapple ARS 53 have been tasked with removing a sunken channel marker that is blocking commercial traffic within the Alabama port channel 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 Photographer's Mate 3rd Class Jay C Pugh RELEASED 2005-09-08 050908-N-0535P-191 Navy http //www navy mil/view_image asp id 27966 U S Navy photo by Photographer's Mate 3rd Class Jay C Pugh PD-USGov-Military-Navy United States Navy images from Mobile Alabama Aboard USNS Grapple T-ARS-53 Lightweight demand diving helmets |