 Into the mid-autumn of 1944, she operated from St. George's Bay, Bermuda, sweeping for mines and conducting antisubmarine patrols to ensure safe passage into the eastern terminus of the southern transatlantic convoy route.She returned to Virginia on 9 November 1944, and for the next two months conducted similar patrols in the Hampton Roads area.On 17 January 1945, "Marvel" weighed anchor and began a two-and-a-half month cruise to Kodiak, Territory of Alaska.