and Bougainville (8 and 13 January 1944). On 22 January, while going to the rescue of the torpedoed oiler , Buchanan hunted down and sank the Japanese submarine RO-37 in . During February the destroyer participated in various phases of the Bismarck Archipelago operation (15 February – 1 March). She covered the Green Island landings and took an active part in the bombardment of Kavieng, Rabaul, and New Ireland before steaming to the United States to undergo a yard overhaul at Mare Island. She participated in the Battle of Karavia Invasion of the Philippines Upon completion of overhaul and refresher training Buchanan returned to the Pacific and served with the transport screen during the assault and capture of the southern Palaus (6 September – 14 October 1944). She next participated in the strikes against Luzon between 14 and 16 December. On 18 December she was damaged by a typhoon in the Philippine Sea. Upon completion of repairs, she engaged in attacks on Luzon, Formosa, and the China coast (6–16 January 1945) in support of the Luzon operation. During the remainder of World War II she participated in the Iwo Jima invasion (15 February – 5 March), Okinawa operation and supporting 3rd and 5th Fleet raids (16 March – 30 June); as well as the 3rd Fleet operations against Japan (10 July – 15 August 1945). End of World War II On 29 August she entered Tokyo Bay escorting the battleship . On 1 September she carried Fleet Admirals Nimitz and Halsey from their respective flagships to Yokohama where they met with General MacArthur and then returned them to the fleet. The following day she carried General MacArthur to the battleship where he accepted the Japanese surrender and then returned him to Yokohama. She remained on occupation duty in the Far East until 8 October and then departed for San Francisco where she arrived 20 October. Buchanan steamed to Charleston, South Carolina for pre-inactivation overhaul and went out of commission in reserve there 21 May 1946. Buchanan received the Presidential Unit Citation and 16 battle stars for her World War II service, placing her among the most decorated US ships of World War II. TCG Gelibolu (D-346) Buchanan was recommissioned 11 December 1948 at Charleston and underwent shakedown and refresher training with a nucleus Turkish crew aboard. On 29 March 1949, she got underway for Gölcük, Turkey, where she was turned