Claim: Each wing of the Jagdgeschwader, a Luftwaffe fighter wing during World War II, had a Geschwaderkommodore (wing commander) supporting by three Gruppenkommandeur (Group Commanders); and each squadron was commanded by a Staffelkapitän (squadron leader).
Evidence: Each wing had a Geschwaderkommodore (wing commander) supporting by three Gruppenkommandeur (Group Commanders). Each squadron was commanded by a Staffelkapitän (squadron leader). Jagdgeschwader 2 (JG 2) "Richthofen" was a German fighter wing during World War II.