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Naval History and Heritage Command

NH 103438 USS O-7

Photo #: NH 103438 USS O-7
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Title: USS O-7
Description: (Submarine # 68) Rear view of O-7's 3/23 retractable deck gun in the raised position, circa 1918-1919. Note the gun's vertical block breech mechanism, round hatch shield, and ready-service ammunition attached to the base of the gun mount. Collection of Christopher H.W. Lloyd. Donated by Virginia Agostini, 1990. U.S. Naval History and Heritage Command Photograph.
Catalog #: NH 103438
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