 After shakedown off Norfolk, Virginia, "LSM–275" steamed for Key West, Florida, the Panama Canal, and San Diego, California, before reaching Pearl Harbor 28 January 1945.After a trip to Guam she steamed from Pearl Harbor in task unit TU 51.13.4 via Eniwetok and Saipan to Okinawa to land troops and supplies on the "last stepping stone" to Japan.Departing in TU 51.29.22, 25 April while the battle for Okinawa was still going on, she steamed via Saipan to Ulithi, arriving 5 May.