dp. 2050 tons (surf.), 2700 tons (subm.); l. 267.9'; b. 27'3";
s. 15.5k (surf.), 18.3k (subm.); td. 700'; a. 6-21" tt. fwd., 2-21" tt. aft;
cpl. 8 officers - 75 enlisted men; cl. "TANG"

Keel laid down by the Postsmouth Naval Shipyard, Kittery, ME, 18APR49;
Launched: 16JUN51; Sponsored by Mrs. Richard H. O'Kane;
Commissioned: 25OCT51 with Cdr Enders P. Huey in command;
Decommissioned: 8FEB80;
Struck from the Navy List 6AUG87;
Sold to Turkey to serve asPiri Reis(S-343) 6 AUG87 where she remains in service.

USS TANG(SS-563) was assigned to SubRon1, ComSubPac after trials and training along the east coast. From her base at Pearl Harbor,TANGoperated in the Hawaiian Island, providing services to surface and air antisubmarine warfare (ASW) forces. She also conducted type training. In October 1953,TANGcommenced her first overhaul which she completed in July of 1954.

Upon emerging from the yard, the submarine began training for her first WesPac deployment. That cruise began in September and ended at Pearl Harbor in March 1955. She then operated in the Hawaiian area until June, when she headed back to sea for a training cruise in Alaskan waters.TANGreturned to Pearl Harbor in August and, soon thereafter, began her second overhaul.

On 20 July 1956,TANGput to sea on her second deployment to WesPac. That deployment set the pattern for seven more between then and 1972. the submarine came under the command of the Commander 7th Fleet, and provided training services to units of the Japanese Maritime Self Defence Force, the Nationalist Chinese Navy, SEATO naval forces, and the U.S. Navy. When not cruising Far Eastern waters, she operated among the Hawaiian Islands and underwent overhauls at the Pearl Harbor Naval Shipyard.

On five occasions during those fifteen years, she cruised to the northwestern coast of North America. In March of 1959, during a cold weather training cruise,TANGtested a newly developed snorkel de-icer system. In addition, the submarine provided services to the Naval Torpedo Testing Station, at Keyport, WA, and to Canadian naval forces at Esquimalt, British Columbia. She returned to the Pacific Northwest in late February 1961, following her fourth overhaul at Pearl Harbor, for shakedown training and participation in a 1st Fleet Exercise, SLAMEX. Two years later, she made her third voyage to the northwestern coast of the U.S.; this time to join in 1st Fleet ASW exercises. In May and June of 1964,TANGmade a post-overhaul shakedown cruise to the west coast. Four years and two deployments later, she resumed local operations in the Hawaiian Islands before embarking upon her eighth deployment to WesPac in mid-January 1969. Her ninth deployment came after a period of repairs and intense traning around Hawaii and lasted from August 1970 until February 1972. Upon her return to Pearl Harbor, she resumed local operations until August, when she again entered the Pearl Harbor Naval Shipyard for extensive repairs and refurbishments.

In May 1972, she left the yard and began preparation for changing home port to San Diego, CA. Following 10 days at sea and two at San Francisco,TANGarrived at the Naval Submarine Facility at San Diego. There she joined SubDiv32 of SubRon3. The ensuing year brought ASW opeations with destroyers and air units followed by a two-month restricted availability at the Mare Island Naval Shipyard and a return to normal operations. On 2 April 1973, the fast attack submarine put to sea for the 10th WesPac of her career. During it, she again participated in surface and air ASW exercises with unit of the 7th Fleet and of various Allied navies. After visiting Yokosuka, Sasebo, Chinhae, Kaohsiung, and Pusan,TANGreturned to San Diego on 12 October 1973. She resumed local operations after a 30-day standdown period, then made preparations for a deployment to South American waters for Exercise UNITAS XV. On 2 October 1974, she headed south to conduct training exercises with surface units and submarines of the U.S., Chilean, and Preuvian navies. At the completion on UNITAS XV, TANG visited Acapulco, Mexicao, before returning to San Diego on 16 December for Christmas standdown. Throughout 1975, she continued to conduct normal operations out of San Diego.

On 11 January 1976,TANGcommenced overhaul at Mare Island Naval Shipyard where she remained until completion on 20 January 1977. With the exception of a brief MIDPAC deployment in March,TANGoperated out of her home port of San Diego for the remainder of 1977 and the first half of 1978. On 1 August,TANG's home port was changed to Groton, CT, in anticipation of her forthcoming inter-fleet transfer.

TANGdeparted San Diego on 23 August and, following a transit of the Panama Canal, arrived at Groton on 30 September. For the remainder of 1978, she engaged in her new primary mission -- training Iranian Navy personnel -- as well as providing service to units of the Atlantic Fleet.

TANGdecommissioned 8 February 1980. She was struck from the Navy List 6 August 1987 and sold to Turkey to serve as Piri Reis (S-343) where she remains in service.

TANGearned four battle stars for service in Vietnamese waters.

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