Keywords: US Navy 080724-N-6208N-015 Royal Australian Navy Able Seaman Clearance Diver Hugh Aitken, left, assigned to Clearance Diving Team 4 and Navy Diver 1st Class Robert Cherek.jpg en PEARL HARBOR Hawaii July 24 2008 Royal Australian Navy Able Seaman Clearance Diver Hugh Aitken left assigned to Clearance Diving Team 4 and Navy Diver 1st Class Robert Cherek assigned to Mobile Diving and Salvage Unit 1 assist Navy Diver 1st Class Dan Cherwin with his MK-21 dive helmet before a training dive Navy and Royal Australian Navy divers are training together during the biannual Rim of the Pacific 2008 exercise U S Navy photo by Senior Chief Mass Communication Specialist Dave Nagle/Released 2008-07-24 080724-N-6208N-015 Navy http //www navy mil/view_image asp id 61813 U S Navy photo by Senior Chief Mass Communication Specialist Dave Nagle PD-USGov-Military-Navy 2008 in Pearl Harbor Images from US Navy location Pearl Harbor Hawaii MK-21 diving helmet Mobile Diving and Salvage Unit 1 United States Navy Divers Clearance Diving Team RAN |