Question: Taktisches Luftwaffengeschwader 51 was named after which first German WWI flying ace?
Sentence (from "Taktisches Luftwaffengeschwader 51"): Taktisches Luftwaffengeschwader 51 "Immelmann" (Tactical Air Force Wing 51 "Immelmann"), formerly known as Aufklärungsgeschwader 51 (Reconnaissance Wing), is a tactical reconnaissance wing of the German Air Force.
Relevant evidence: No