LST-545 saw no combat action during World War II. Following the war, she performed occupation duty in the Far East until early December 1945. She then returned to the United States.
Decommissioning and disposal
LST-545 was decommissioned on 29 August 1946. She was sunk as a target on 12 May 1948 at Enewetak Atoll in the Operation Sandstoneatomic bomb test series, by either the Yoke or Zebra detonations or the two of them in combination. She was stricken from the Navy List on 28 May 1948.
References
Photo gallery of USS LST-545 at NavSource Naval History