Walter Hagen (aviator) explained

Walter Hagen
Birth Date:	16 March 1897
Birth Place:	Kiel
Rank:	Generalmajor
Commands:	StG 1, Fliegerführer "Nord-Balkan", 17. Flieger-Division
Battles:	World War II
Awards:	Knight's Cross of the Iron Cross with Oak Leaves

Walter Adolf Christian Hagen (16 March 1897 – 24 November 1963) was a pilot in the Luftwaffe during World War II and a recipient of the Knight's Cross of the Iron Cross with Oak Leaves of Nazi Germany.

Awards

Clasp to the Iron Cross (1939) 2nd Class (17 September 1939) & 1st Class (9 June 1940)^[1]
Knight's Cross of the Iron Cross with Oak Leaves
- Knight's Cross on 21 July 1940 as "Major" and "Gruppenkommandeur" of the III./Sturzkampfgeschwader 1^[2]
- Oak Leaves on 17 February 1942 as Oberstleutnant and Geschwaderkommodore of Sturzkampfgeschwader 1^[2]

Book: Scherzer , Veit . 2007 . Die Ritterkreuzträger 1939–1945 Die Inhaber des Ritterkreuzes des Eisernen Kreuzes 1939 von Heer, Luftwaffe, Kriegsmarine, Waffen-SS, Volkssturm sowie mit Deutschland verbündeter Streitkräfte nach den Unterlagen des Bundesarchives . The Knight's Cross Bearers 1939–1945 The Holders of the Knight's Cross of the Iron Cross 1939 by Army, Air Force, Navy, Waffen-SS, Volkssturm and Allied Forces with Germany According to the Documents of the Federal Archives . German . Jena, Germany . Scherzers Militaer-Verlag . 978-3-938845-17-2.
Book: Thomas , Franz . 1997 . Die Eichenlaubträger 1939–1945 Band 1: A–K . The Oak Leaves Bearers 1939–1945 Volume 1: A–K . German . Osnabrück, Germany . Biblio-Verlag . 978-3-7648-2299-6.