Clearing Milne Bay on 6 January 1944, "Crosby" escorted convoys from Espiritu Santo to the Solomon Islands through January, remaining in the Solomons on antisubmarine patrol and screening duty. She landed troops on Green Island from 15 to 20 February and on Emirau Island on 20 March. Returning to the New Guinea operations on 6 April, she landed troops at Aitape on 22 and 26 April; escorted convoys to Hollandia; participated in the invasion of Biak Island on 27 May; and served as flagship for landing craft in Humboldt Bay from 31 May to 6 July. Following a brief overhaul at Manus, she landed troops on Cape Sansapor on 30 July, then sailed to Sydney, Australia, for replenishment and repairs. She returned to Humboldt Bay on 30 August and landed troops on Morotai on 15 September to complete her operations in the New Guinea area.