Keywords: US Navy 040716-N-6811L-182 Boatswain's Mate 2nd Class Jack McPherson performs a leak check on the MK-21 Underwater Breathing Apparatus worn by Hull Maintenance Technician 2nd Class Jody Kappen aboard USNS Sioux (T-ATF 171).jpg en Pacific Ocean July 16 2004 - Boatswain's Mate 2nd Class Jack McPherson performs a leak check on the MK-21 Underwater Breathing Apparatus worn by Hull Maintenance Technician 2nd Class Jody Kappen aboard USNS Sioux T-ATF 171 Sioux is one of the seven fleet ocean tugs operated by the Navy's Military Sealift Command They are part of MSC's Naval Fleet Auxiliary Force operating in direct support of U S Navy fleets deployed around the world RIMPAC is the largest international maritime exercise in the waters around the Hawaiian Islands This year's exercise includes seven participating nations; Australia Canada Chile Japan South Korea the United Kingdom and the United States RIMPAC is intended to enhance the tactical proficiency of participating units in a wide array of combined operations at sea while enhancing stability in the Pacific Rim region U S Navy photo by Photographer's Mate 1st Class David A Levy RELEASED For more information go to <a href http //www cpf navy mil/RIMPAC2004 Target _BLANK >http //www cpf navy mil/RIMPAC2004</a>/ 2004-07-16 040716-N-6811L-182 Navy http //www navy mil/view_image asp id 16300 U S Navy photo by Photographer's Mate 1st Class David A Levy PD-USGov-Military-Navy RIMPAC 2004 Lightweight demand diving helmets USNS Sioux T-ATF-171 Hull Maintenance Technician United States Navy Mk 16 underwater breathing apparatus MK-21 diving helmet |