HNSA Crest with photos of visitors at the ships.

TCG Uluçalireis (S-338) (Ex-USS Thornback SS-418)

TCG Ulucalireis
Photo
TCG Uluçalireis moored at the Rahmi M. Koç Museum, 2007

Class: Tench Submarine
Launched: July 7, 1944
At: Portsmouth Naval Shipyard, Portsmouth, New Hampshire
Commissioned (USN): October 13, 1944
Decommissioned (USN): July 20, 1946
Modified: 1953 (Guppy IIA) at Charleston, South Carolina
Commissioned (USN): October 2, 1953 (as Guppy IIA)
Decommissioned (USN): July 2, 1971 (transferred to Turkey)
Commissioned (Turkish Navy): July 2, 1971
Decommissioned (Turkish Navy): July 31, 2000 (transferred to Rahmi M. Koç Museum)

Length:(original) 311 feet, 8 inches; (Guppy IIA) 306 feet, 6 inches
Beam: 27 feet, 4 inches
Draft: 16 feet, 5 inches
Normal displacement: 1,850 tons
Armament: Ten 21-inch torpedo tubes

Address:
Rahmi M. Koç Museum
Hasköy Cad. No: 27
Hasköy 34445
Istanbul, Turkey
Tel: +90 212 369 6600
Fax: +90 212 369 6606
Email: rmkmuseum@koc.com.tr
http://www.rmk-museum.org.tr/
Latitude: 41.0415057744, Longitude: 28.9477371711
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USS Thornback (SS-418) saw service in the last months of WW II, sinking one Japanese warship and damaging another, before returning to the U.S. and being placed in the Reserve Fleet. In 1953 she was converted to the latest Guppy IIA-class specification and re-entered service in 1953 with assignments in the Atlantic, Mediterranean and Caribbean.

USS Thornback was transferred to the Turkish Navy on 2nd July 1971, and was immediately renamed TCG Uluçalireis with pennant number S-338. She then gave thirty years of valuable service to the Republic of Turkey before being finally transferred to the care of the Rahmi M Koç Museum in 2001. During her Turkish Navy service, TCG Uluçalireis received many awards for meritorious service, and participated in many NATO and national operations in the Mediterranean, Aegean, Marmara and Black Seas.

TCG Uluçalireis remains the property of the Turkish Navy.

USS Thornback underway
USS Thornback underway.
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