 "PC-1599" sailed from Norfolk on 9 June 1944 on escort duty, bound for the Pacific.She arrived at Eniwetok on 1 October, and for the next five months served on local escort and patrol in the Marshalls and Marianas, arriving at Iwo Jima on 6 March escorting an LST.Sailing from Ulithi on 25 March to escort a convoy bound for Okinawa, she served as primary control vessel for "Yellow Beach" during the initial landings on 1 April.