After training, she embarked soldiers, and sailed from Honolulu 22 January 1944 for Kwajalein, where she landed her troops on 1 February, one day after the initial assault.
Fayette sent her boats away with assault troops 21 July, then received casualties from the shore for 4 days, returning with them to Espiritu Santo 5 August.
Returning to Manus and Aitape to replenish, reload troops, and rehearse landings, Fayette sailed from New Guinea 28 December for Lingayen Gulf.
The task force in which she sailed met a variety of resistance from the Japanese, and Fayette joined in the general barrage which drove a dive-bomber off before it could strike a nearby battleship on the morning of the landings, 9 January 1945.
With her troops not required there, she carried them to the Philippines, and sailed from Leyte 25 May for a west coast overhaul which lasted through the close of the war.