RAF bombers mounted a heavy attack against shipping off Wilhelmshaven on 18 December 1939 in what became to be known as the Battle of the Heligoland Bight.
Od oktobra do sredine decembra istega leta je I./ZG 76 delovala na več letališčih na področju Stuttgarta in Porurja, nakar pa je bila 16. decembra premeščena severno od Jeverja.