The Silent Service
U-47 in Scapa Flow
On 14 October 1939, Gunther Prien penetrated the Royal Navy's primary base at Scapa Flow where he torpedoed and sank the battleship Royal Oak and returned home to instant fame.
On 14 October 1939, Gunther Prien penetrated the Royal Navy's primary base at Scapa Flow where he torpedoed and sank the battleship Royal Oak and returned home to instant fame.