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 the Frontiers were sent later. The Battle of Haelen ("Halen") was a cavalry battle at the beginning of World War I. Haelen (Halen in Dutch) was a small market town along the principal axis of advance of the German imperial army and provided a good crossing point over the River Gete. The battle took place on 12 August 1914 between German forces, led by Georg von der Marwitz and the Belgian troops commanded by Léon de Witte. Belgian engineers had blown the bridge over the Gete but the structure only partly collapsed and the Germans got troops over it into the centre