USS Great Sitkin was launched under Maritime Commission contract by North Carolina Shipbuilding Co., Wilmington, N.C., 20 January 1945, sponsored by Miss Anne L. Dimond, daughter of Judge Anthony J. Dimond, then congressional representative for Alaska, and commissioned at Charleston, South Carolina.
After shakedown out of Norfolk, Great Sitkin sailed to New York 25 November 1945 to begin dumping condemned ammunition in an assigned area off Sandy Hook, N.J.Great Sitkin continued this duty for a year, returning to Norfolk in November 1946. Great Sitkin's pattern of operations for the next few years took her to the Caribbean and the Panama Canal Zone on ammunition replenishment trips, as well as twice to Gibraltar. In addition, she participated in local operations.
Mediterranean service
From 1951 Great Sitkin served as a mobile ready reserve source of ammunition. Great Sitkin regularly deployed to the Mediterranean to support regional operations of the Sixth Fleet, and served the fleet during crises in trouble spots such as Lebanon and Suez. When not deployed in the Mediterranean, she operated out of New York, participating in various fleet maneuvers in the Atlantic and the Caribbean Sea.
Cuban Missile blockade
During the Cuban Missile Crisis, she sailed for the Caribbean Sea on 23 October 1962, following President Kennedy's announcement of a naval quarantine around Cuba. USS Great Sitkin cruised the Caribbean during the next several weeks carrying reserve ammunition for American ships on quarantine duty off Cuba.
Atlantic and Mediterranean service
Departing the Caribbean 16 December 1962, USS Great Sitkin returned to New York and resumed her pattern of operations in the Atlantic and the Mediterranean. On 5 April 1963, Great Sitkin suffered slight damage during a fire of unknown origin while tied up at the Main Ship Repair Corporation in Brooklyn, New York.[2]
Between August 1963 and July 1966 Great Sitkin deployed three times with the 6th Fleet, participating in several Fleet and NATO exercises. After a 3-month overhaul in the Bethlehem Shipbuilding Corporation, Hoboken, N.J., in December 1966 USS Great Sitkin participated in training exercises off Guantanamo Bay, Cuba. Great Sitkin continued to support American ships in the Atlantic and the Mediterranean theaters.
Vietnam War service
In 1968, Great Sitkin supported the Seventh Fleet during U.S. Naval operations in the Vietnam War.[3] USS Great Sitkin participated in the Vietnamese Counteroffensive - Phase IV and Vietnamese Counteroffensive - Phase V, from May to October 1968.[4]Great Sitkin was awarded 2 campaign stars for Vietnam War service.