The R-class submarines were a class of United States Navy coastal patrol submarines active from 1918 until 1945. With the first of the class laid down following the American entry into World War I, th
Tied up along the dock from right to left: USS R-12, USS R-15, USS R-13, with USS R-9, and an unidentified R-boat, probably in Pearl Harbor, c. mid-1920s
USS S-4
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USS S-4, also known as "Submarine No. 109", was an S-3-class, also referred to as a "Government"-type, submarine of the United States Navy.
United States R-class submarine
…returned to the mainland, on 18 January 1931, and were decommissioned to reserve status, at the Philadelphia Navy Yard, in 1931. In the aftermath of S-4's disaster in 1927, all of the EB design boats were modified for greater safety. A motor room escape hatch was added, the motor room being the after…
USS S-4 underway off the Portsmouth Navy Yard, on 26 December 1919
Secretary of the Navy Curtis D. Wilbur (2nd from left) during salvage work of S-4, in March 1928. Captain Ernest King and Lieutenant Henry Hartley, in charge of salvage operation (first and second from right) while Rear Admiral Philip Andrews (left) looks on.
S-4 under tow to the Boston Navy Yard, after being salvaged in 1928