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SS-32 K-1 Haddock

In June 1910, Congress authorized four Haddock (K-class) submarines and in March 1911 authorized four more and a tender (Fulton). The first four submarines were named prior to beginning of construction in 1912 but all were renamed K-1 thru 8 in November 1911. All eight submarines were commissioned in 1912. They used the same machinery as the H-boats but with better fuel bunkerage could cruise 3150nm at 11 knots; test depth was 200 feet.

Early submarine classes such as E, H, K, L, M, N, O, and R, known as "pig boats" or "boats" because of their unusual hull shape and foul living conditions, ranged in displacement from 287 to 510 tons. The fastest "boats" achieved top surface speeds of 14 knots under diesel power. During World War I, US submarines were divided into two groups according to mission. Boats of the N and O classes, as well as some of the E type, patrolled American coasts and harbors in a defensive role. Some K, L, O, and E class boats conducted offensive, open-sea operations from the Azores and Bantry Bay in Ireland. They supported the Allied effort to maintain open sea lanes along the European coast and in the approaches to the British Isles.

Four K Boats, K-1, K-2, K-5, and K-6 were the first American submarines to operate in European waters during the First World War. They searched the waters surrounding the Azores for German U-boats between November 1917 and November 1918, however, no contacts were ever made. Following the war they trained submarine crews and experimented with new listening gear, machinery, and torpedoes contributing greatly to submarine development. They were decommissioned February to May 1923 and all sold for scrap in June 1931.



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