3/23/2023 0 Comments Us submarine classes![]() ![]() The first S-boat, S-1, was launched on 26 September 1918, by Bethlehem at Fore River, but not commissioned until 5 June 1920. The Elco and BuC&R designs were put into production. S-1, S-2, and S-3 were prototypes built to the same specification: S-1 designed by Electric Boat (Elco), S-2 by Lake, and S-3 by the Bureau of Construction and Repair (later Bureau of Ships). ![]() S-2 was a prototype built by Lake, and was not repeated. Group IV ( S-48 class): S-48- S-51, built by Lake.Group III ( S-42 class): S-42- S-47, built at Fore River.Group II ( S-3 class, or "Navy Yard" type): S-3- S-17, built at the Portsmouth Navy Yard and Lake Torpedo Boat at Bridgeport, Connecticut.Group I ( S-1 class, or "Holland" type): S-1 and S-18– S-41, built by Bethlehem Steel at Fore River Shipyard in Quincy, Massachusetts and Union Iron Works in San Francisco, California, as subcontractor for Electric Boat Company (Elco).The S class is subdivided into four groups of different designs: The last of the class actually commissioned was USS S-47 (SS-158) in 1925. The first S-boat, USS S-1 (SS-105), was commissioned in 1918 and the last numerically, USS S-51 (SS-162), in 1922. The United States Navy commissioned 51 S-Class submarines from 1920 to 1925. ![]() The United States' S-class submarines, often simply called S-boats (sometimes "Sugar" boats, after the then contemporary Navy phonetic alphabet for "S"), were the first class of submarines built to a United States Navy design. At most 906 tons surfaced, 1230 Submerged ![]()
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