USS Constitution Officers, photographed during her 1931-34 cruise. Left to Right: LCDR Henry Hartley (executive officer), LT John Y. Dannenburg, CDR Louis J. Gulliver (commanding officer), LT Harry St. John Butler (navigator), LT Chester A Swafford, LT
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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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