As World War II drew to a close, U.S. Navy intelligence suspected German U-boats equipped to launch V-1 rockets were preparing to hit New York City. The War Department dismissed the threat. The Navy disagreed and launched Operation Teardrop. In the final weeks of the war, the Navy hunted down and sank five German submarines in the North Atlantic. They stopped what they believed was an imminent attack on the East Coast. The victory came at a cost. The last American warship lost in the Atlantic