In what conflict was Heinz-Wolfgang Schnaufer a commanding officer of a night fighter-wing?
Nachtjagdgeschwader 4 "Nachtjagdgeschwader" 4 (NJG 4) was a Luftwaffe night fighter-wing of World War II. NJG 4 was formed on 18 April 1941 in Metz. The unit's objective was to counter RAF Bomber Command's strategic night-bombing offensive. The unit's commanding officers included Oberstleutnant Wolfgang Thimmig (October 1943 – November 1944) and Major Heinz-Wolfgang Schnaufer (20 November 1944 – 8 May 1945).
Hermann Greiner Georg-Hermann Greiner (2 January 1920 – 26 September 2014) was a Luftwaffe night fighter ace who served during World War II. Greiner was recipient of the Knight's Cross of the Iron Cross with Oak Leaves—the fourth highest German award by war's end. He was also a squadron commander in the prestigious "Nachtjagdgeschwader" 1 ("NJG" 1—Night Fighter Wing 1), the most successful night fighter interceptor unit of any nation in the history of aerial warfare.