U-Boats move to the U.S. east coast

17th January 1942: U-boat commanders relish the Second 'Happy Time'

U -123 returning to the French port of Lorient after a successful patrol in 1941.

At the beginning of the war the German U-boat fleet had enjoyed great success preying on British merchant shipping whilst the Royal Navy struggled to find the means to fight back. U-boat commanders became Nazi propaganda heroes in Germany as they vied with each other to sin…