Operation Teardrop

Battle context

Operation Teardrop was a U.S. Navy operation conducted between April and May 1945 to intercept German U-boats believed to be approaching the Eastern Seaboard carrying V-1 flying bombs. The operation was mounted in direct response to German threats to strike New York with flying bombs and rocket-armed submarines, representing a late-war escalation of the Battle of the Atlantic into a potential strategic bombardment threat against the American mainland. The engagement cost 126 American and 218 German lives. After the war, investigation determined that the intercepted submarines had not in fact been carrying V-1s or rocket armaments of any kind, meaning the operation was conducted against a threat that did not materialize as feared. Teardrop illustrates how wartime intelligence uncertainty could drive costly naval action, and stands as a case where the perceived threat shaped operational decisions more than the actual capability deployed.