LST-611 was laid down on 17 December 1943 at Seneca, III., by the Chicago Bridge & Iron Co.; launched on 28 April 1944; sponsored by Mrs. Ray Hines; and commissioned on 15 May 1944, Lt. Roy E. Burton, Jr., USNR, in command.
During World War II, LST-611 was assigned to, the Asiatic-Pacific theater and participated in the following operations:
Leyte landing-October 1944
Mindoro landing-December 1944
The ship operated with the Amphibious Force, U.S. Pacific Fleet, following World War II and participated in the Inchon landings in September 1950 during the Korean War. On 1 July 1955, LST-611 was redesignated Crook County (LST-611) after counties in Oregon and Wyoming. On 26 October 1956, the ship was placed in service, in reserve, in caretaker status.
LST-611 earned two battle stars for World War II service and three battle stars for Korean service.
