By October 1940 "Nachtjagdgeschwader" 1 (NJG 1) comprised three "Gruppen", while "Nachtjagdgeschwader" 2 (NJG 2) and "Nachtjagdgeschwader" 3 (NJG 3), were still forming.
Za oblikovanje službe je bil zadolžen Wolfgang Falck, "Gruppenkommandeur" iz I./Zerstörergeschwader 1 (ZG 1).