Between December 1944 and July 1945, PC-1138 provided essential escort for ship movements related to the Iwo Jima and Okinawa campaigns, sailing from Ulithi to the Palaus, Eniwetok, and Guam.
Between December 1944 and July 1945, PC-1138 played a vital role in safeguarding naval operations connected to the Iwo Jima and Okinawa campaigns, operating from Ulithi to the Palaus, Eniwetok, and Guam.