Superior was laid down on 18 February 1944 by Associated Shipbuilders, Seattle, Washington, launched on 11 May 1944, sponsored by Mrs. L. H. Lyon; and commissioned on 1 November 1944.

Superior stood out of Eniwetok on 3 March, en route to Ulithi where she and Mine Group 2 (MinGru 2) completed final staging for the Ryukyu Islands operation.

In September, Superior aided in clearing Sasebo Bay and the Tsushima Strait area.

The ship cleared Sasebo on 10 December 1945 en route to the United States, via Eniwetok and Pearl Harbor.

Superior arrived at San Diego, California, on 12 January 1946 and sailed for Galveston, Texas, the following week.