USS Greenfish (SS-351) with the shark fin arrays with the standard BQG-4 PUFFS system
USS Greenfish (SS-351) with the shark fin arrays with the standard BQG-4 PUFFS system. This photo was taken in the 1960’s timeframe. Text courtesy of QM2(SS) David Johnston, USNR. USN photo courtesy of http://ussubvetsofwwii.org
USS Greenfish (SS-351) with the shark fin arrays with the standard BQG-4 PUFFS system. This photo was taken in the 1960’s timeframe. Text courtesy of QM2(SS) David Johnston, USNR. USN photo courtesy of http://ussubvetsofwwii.org