The invasion put all Wehrmacht forces in France into retreat incl. the units of the Ln-Dienst. The Stellungen and HQ were overrun, most facilities and equipment were static and had to be destroyed. The HQs performed an orderly withdrawal sometimes to prepared alternate HQs (Ausweich GefStds) fully prepared with telephone exchanges and landline connectivity. 4 JD and Jafü Süd Frankreich were disbanded and II JK retreated to the Flammersfeld area. When the retreat started, it was realized, that the static part of the Ln-Dienst gradually would be lost, and a new type of unit was established/revived the: Flugmelde Funk Abteilungen (Flugm. Funk Abt.). Formations, which based their reporting on visual and aural observations, and did not rely on landlines to pass their reports, but used radio solely. Their primary function was to report to the GefStd of the Jagdgeschwader (JG) and Flak Divisionen, but in addition a consolidated air picture was also compiled in the Auswertung of the Flugm. Funk Abt. Based on the Luftlage thus compiled at the JG, fighter control (Adler-Verfahren) was performed form the GefStd of the JG. Initially 5 Kompanie were formed in France, but by the time the JK had retreated into Germany, the organization of the Ln-Dienst subordinate to II JK was a shown below. Also II JK changed it's role as part of the strategic air defence, to one of a mixture of defence against allied tactical air power, protection of the Luftwaffe airfields in Western Germany and navigational support to offensive units. Please see:
http://www.gyges.dk/II%20JK%20spring%201945.htm
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