Redesignated twice during the war, to Ocean Tug AT-141 on 1 June 1942 and to ATO-141 on 15 May 1944, Seagull departed Pearl Harbor for the last time in October 1945 and arrived at Mare Island, California, on the 12th to await inactivation.
Seagull underwent two name changes during World War II, becoming Ocean Tug AT-141 on June 1, 1942, and ATO-141 on May 15, 1944. Its final journey started in October 1945, when it left Pearl Harbor for the last time, arriving at Mare Island, California, on October 12 to prepare for deactivation.