This Photo of the S-4's engine room was made on Christmas Day 1919, about the same time Ensign Dyer was struggling with problems on board the S-2, which was commissioned in May 1920.
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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