Upon being relieved, "Petrof Bay" headed for Guam, entering Apra Harbor on 30 May. There, Composite Squadron (VC) 93 was disembarked, and Composite Squadron (VC) 90 was taken onboard, albeit for transportation to Pearl Harbor. On 19 June, she arrived at Naval Air Base San Pedro, on Terminal Island, for a general overhaul. She completed her overhaul on 13 August, and sailed for Pearl Harbor. En route, on 15 August, news of the Surrender of Japan reached the crew.