 "Procyon" departed Philadelphia 28 December for her second tour of Pacific duty, arriving Pearl Harbor 19 January 1945.She operated in support of the Okinawa invasion during April, returning to San Francisco 19 May to begin a series of shuttle runs to Hawaii, Ulithi and Samar.In October she transported occupation troops to Japan from the Philippines, and by 2 November she was making best speed for Seattle, Washington.