Keywords: US Navy 040502-N-8157C-004 Operation's Specialist 2nd Class John Hall, left, a Navy diver assigned to Mobile Diving Salvage Unit One (MDSU-1), shows children a deep sea diving helmet.jpg en Honolulu Hawaii May 2 2004 - Operation's Specialist 2nd Class John Hall left a Navy diver assigned to Mobile Diving Salvage Unit One MDSU-1 shows children a deep sea diving helmet used in the early days Navy diving operations The Bishop Museum in Honolulu Hawaii hosted a Hawaii Military Appreciation Month event for military members and their families U S Navy photo by Photographer's Mate 2nd Class Dennis C Cantrell RELEASED 2004-05-02 040502-N-8157C-004 Navy http //www navy mil/view_image asp id 13838 U S Navy photo by Photographer's Mate 2nd Class Dennis C Cantrell PD-USGov-Military-Navy Images from US Navy location HONOLULU Operations Specialist United States Navy |