She arrived at Saipan on 30 August and made a round-trip voyage to Okinawa from 5 to 13 September 1945. The DE moved to Guam the following week and assisted in training submarines of the U.S. Pacific Fleet out of that port until 10 January 1946. "Swenning" departed Guam on that date for the east coast of the United States via Pearl Harbor, She arrived at San Diego on 28 January and proceeded on to Boston, via Panama, and arrived there on 26 February.