The German Navy seizes the opportunity to launch surprise attacks on US cargo ships along the East Coast, capitalizing on the nation's vulnerability following the Pearl Harbor attack. Meanwhile, a team of investigators uncovers the truth behind the sinking of the first German submarine, U-166, to determine if Commander Herbert G. Claudius is deserving of credit for its demise.
Nova
Operation Drumbeat, a Nazi mission, targets East Coast cities and merchant vessels, uncovering the secrets of a WWII-era German submarine, U-166, which sank in the Gulf of Mexico in 1942.
