Battle of the Heligoland Bight (1939) but it produced co-operation difficulties. A solution to the problem was twofold. Fighter units defending the North Sea coast were subordinated to "Luftgaukommando" XI (Air District Command 9) in Hanover. These fighter units would function as an autonomous fighter command, or "Jagdfliegerführer" (Fighter Flyer Leaders). The command of Fighter Command unit was given to "Oberstleutnant" Carl-August Schumacher, a former commander of II./"Jagdgeschwader" 77. Schumacher had served in the "Kaiserliche Marine" (Imperial German Navy) during the First World War and as an officer cadet had seen combat at the Battle of Jutland. It was hoped with his naval background and easy
Night action at the Battle of Jutland "Friedrich der Grosse", Scheer once again ordered them to the rear. The two joined the end of the German column, but "Seydlitz" and "Moltke" remained out of position initially ahead of the fleet and had to move independently through the British fleet. "Lützow" proceeded southwards behind the fleet for the first couple of hours of the night at the best speed she could manage, seven knots, but eventually sank at 0145. British intelligence about the whereabouts of German vessels suffered a number of failures throughout the battle of Jutland. There were two sources of information: intercepted German wireless messages and