"Doyen" got underway 13 January 1944 for the invasion of Kwajalein, landing her troops the last day of the month and receiving casualties and prisoners of war for transportation to Pearl Harbor where she arrived on 15 February. She remained in the Hawaiian Islands on training duty until 30 May when she sailed for Eniwetok thence to the invasion of Saipan from 16 to 22 June and Guam from 22 to 28 July.