Photo #: NH 101474 Diving apparatus used by Men-o-War On a launch tied up alongside a battleship, circa 1907-1908. Note the men working the air pump's cranks, in the middle of the launch, and the diver and his helpers at the stern. This view may have been taken during the Great White Fleet World Cruise. Collection of Chief Quartermaster John Harold. U.S. Naval History and Heritage Command Photograph.