Keywords: German Neger type human torpedo at the Mare Island Naval Shipyard in June 1957.jpg A German Neger type human torpedo midget submarine at the Mare Island Naval Shipyard California USA June 1957 At that time this craft was incorrectly identified locally as a Japanese midget submarine Official U S Navy photo https //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-85000/NH-85993 html NH 85993 from the U S Navy http //www history navy mil Naval History and Heritage Command 1957-06 U S Navy PD-USGov-Military-Navy Neger human torpedo Mare Island Naval Shipyard |