"Doyle" put out from Casco Bay, Maine, 18 April 1944, and arrived at Plymouth, England, ten days later to prepare for the invasion of Normandy. On 5 June, she sortied with the 31st Minesweeping Flotilla to clear the assault area. She gave fire support to the landing forces on D-Day, 6 June, received on board 37 survivors of LCIs "93" and "487", and served on patrol until returning to Plymouth, England on 15 July for brief overhaul.