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
Battle of Jutland over 60% of them had suffered from metal theft. In 2003 McCartney led a detailed survey of the wrecks for the Channel 4 documentary "Clash of the Dreadnoughts". The film examined the last minutes of the lost ships and revealed for the first time how both 'P' and 'Q' turrets of had been blasted out of the ship and tossed into the sea before she broke in half. This was followed by the Channel 4 documentary "Jutland: WWI's Greatest Sea Battle", broadcast in May 2016, which showed how several of the major losses at Jutland had actually occurred and just