Based at Ziese, Holland, the unit were part of the 1st Night Fighter Division under Oberst Josef Kammhuber.
When the war had ended in Europe, the U.S. Army Air Forces Intelligence Service, as part of "Operation Lusty" (LUftwaffe Secret TechnologY), took control of three He 219s at the Grove base of the 1st Night Fighter Wing (Nachtjagdgeschwader 1) in Jutland, Denmark starting on 16 June 1945.