"Whiteside" arrived at Leyte on 11 September, fueled and provisioned, and then headed for Mindanao to load troops and cargo of the Army's 41st Infantry Division. She completed her mission at Mindanao on 19 September and departed the island on the 20th, returning to Tacloban on Leyte. On the 22nd, the attack cargo ship stood out of Leyte Gulf on her way to Kure, Japan. Diverted to Buckner Bay, Okinawa, en route, the ship did not reach Japan until 5 October. She remained in Japan until 15 October at which time she got underway for Manila in the Philippines to load landing craft for duty in conjunction with the transfer of Nationalist Chinese troops. She arrived in Manila on 21 October and departed again on the 23rd. On the 26th, she arrived in Hai Phong, French Indochina, and began loading troops and cargo of the 583rd Regiment of the Nationalist Chinese Army. The attack cargo ship stood out of Hai Phong on 30 October and set a course for Chinwangtao where she arrived on 7 November. She disembarked the Chinese troops on the 7th and departed Chinwangtao the following day, bound for Taku. The ship remained at Taku until early December when she got underway for the United States. She arrived in San Francisco on 27 December.