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.
During the period between December 1944 and July 1945, PC-1138 served as a crucial escort vessel for naval movements associated with the Iwo Jima and Okinawa operations, operating from Ulithi to the Palaus, Eniwetok, and Guam.