Diverted to Sasebo, Japan, en route, "Warrick" arrived at that port on 9 September and, from 10 September to 23 September, carried out duties of fleet issue supply ship. Attached to TF 79 on 11 September, the attack cargo ship sailed for the newly secured port of Inchon, North Korea, on 23 September, less than 10 days after American amphibious forces had attacked that port.