An Experiment Proves Her Mettle in War
Shortly before Christmas of 1940, on board the heavy cruiser Tuscaloosa (CA-37), President Franklin Delano Roosevelt brooded over a missive from British Prime Minister Winston Churchill. An appended table showed how U-boats had seriously impeded the flow of supplies from America—the “Arsenal of Democracy”—to Britain. How could the New World help the Old if much of that arsenal’s output lay at the bottom of the Atlantic?