Arriving at Norfolk 19 April 1944 Dale W. Peterson was assigned to train nucleus crews. Between 1 July and 27 September she made two trans-Atlantic voyages escorting convoys to the Mediterranean, then from 1 November 1944 to 3 June 1945 Dale W. Peterson operated between New York, the United Kingdom and France, making five crossings. She sailed from New York on 24 June, for training at Guantanamo Bay, Cuba, and the West Coast, arriving at San Diego on 1 August. Underway the next day for Pearl Harbor she arrived as the war in the Pacific was fast coming to a close and on 2 September, the day of signing of the Japanese surrender, Dale W. Peterson was ordered to return to the East Coast. On 29 October she arrived at Green Cove Springs, Florida, and was placed out of commission, in reserve there on 27 March 1946.
