 After coastal escort duty, "Frankford" made three voyages to screen convoys from the east coast to Casablanca and Northern Ireland between 27 June 1943 and 29 November.She then returned to coastal escort, antisubmarine patrols, and duty at Norfolk training prospective crews for new construction until 18 April 1944 when she sailed from New York for Plymouth, England.In preparation for the invasion of Normandy, "Frankford" escorted transports and other ships to training in Scottish waters and to the assembly points in the south of England, until 5 June, when she sortied from Plymouth for Omaha Beach.