On 15 January 1944, she sailed from Puerto Rico to Portsmouth Navy Yard for refitting, then sailed to San Francisco, where she was stationed from 7 March 1944. "Woodbine" was then deployed to the Pacific Theater of Operations to take part in the amphibious assault on the Marianas Islands, and served as a mobile service base for the U.S. Navy's Southern Attack force during the attack on Guam, before taking part in the Okinawa campaign in 1945.