The U.S. Navy submarine USS O-6 (SS-67). This old type O submarine was used for training, although it has all the modern scientific improvements and instruments aboard her for training purposes. Using her electric motors to pull away from the dock, th
Categories: Ships and Submarines
 
 
Thank you to the Mario Family Foundation for enabling the digitization of the U.S. Naval Institute’s Photo Archive. The physical photos in the Photo Archive are stored in the Mildred M. Mario Photo Archive Room located at the U.S. Naval Institute’s Headquarters in Annapolis, MD.

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