Career
The Knight"s Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. Reinhard Aigen was killed on 19 September 1943 at Orsha. In total, Aigen is credited with flying 447 combat missions, 313 of which on the Eastern Front and 68 lasted longer than 4 hours and were counted double.
This ruling resulted in a theoretical total of 515 combat flights.
Bibliography.