USS S-42 was the first member in the third group of S-class submarines of the United States Navy.
USS S-42 at San Diego, California, with aircraft carrier USS Langley in the background, sometime between 1924 and 1936.
The United States' S-class submarines, often simply called S-boats, were the first class of submarines with a significant number built to United States Navy designs. They made up the bulk of the USN s
USS S-42
…USS S-42 (SS-153) was the first member in the third group of S-class submarines of the United States Navy. S-42′s keel was laid down on 16 December 1920 by the Bethlehem Shipbuilding Corporation's Fore River Shipyard in…
S-class submarine USS S-44 (SS-155) leaving Guantanamo Bay, Cuba, c. 1929
USS S-1 off Provincetown, Massachusetts, on 17 April 1920, while running sea trials
USS S-2 backing at low speed, probably off Bridgeport, Connecticut, at the time of her builders' trials in September 1919, many of the men standing on her deck are civilians
Portside view of USS S-3 on her trials, May 1919, notice the complete lack of an enclosed bridge fairwater, or her 4"/50 caliber gun, a features that were added later