After overhaul in the Fiji Islands and at Sydney, Australia, "Conway" returned to Southwest Pacific operations in October 1943. On 27 October she participated in the initial landings in the Treasury Islands, and then in landings on Choiseul. She supported the landings at Bougainville on 29 October, and until 10 February 1944, she continued operations in support of troops ashore on Bougainville, escorting reinforcement convoys and firing on shore targets. Between 11 and 17 February, she participated in the landings on Green Island, then returned to her Bougainville operations.