At the time of the Japanese capitulation on 15 August, "Anacostia" was in port in Ulithi. She moved on to Okinawa six days later and remained there through 25 October. The oiler then sailed to the Japanese home islands and touched at Kanoya on the 30th. She also visited the Japanese port of Kagoshima, Kyūshū. At each point, she acted as station tanker at U.S. Army air bases.