"monadnock" conducted training exercises at manus until 23 december, when she departed for leyte. arriving on the 30th, she soon sailed for mangarin bay, on the southwest coast of mindoro, where she remained from 3 january to 6 february 1945. she then shifted, with tu 78.3.19, to subic bay, luzon, returning at the end of the month to leyte. thence, she steamed to ulithi to stage for the forthcoming okinawa campaign.