How Nazi U-Boats Went From Hunters to Prey During World War II
The Allies were running at first, but they developed counter measures and started to turn the tables on the feared submarines.
Key point: The Allies invented new weapons, such as the porqupine-looking grenade launcher, to kill enemy submarines. Allied tactics also evolved and the number of destroyers drastically increased as America entered the war.
Cut off in mid-transmission, this contact report came from a U.S. Navy patrol bomber operating over the Atlantic Ocean some 95 miles north of Cape Peñas, Spain, at 0316 hours on November 12, 1943. Repeated attempts to restore radio communications with the Consolidated PB4Y-1 Liberator, nicknamed Calvert n’ Coke, all went unanswered. Controllers finally listed the aircraft as overdue—presumed missing.