Franz Dörr was a German Luftwaffe military aviator and fighter ace during World War II. He is credited with 128 aerial victories achieved in 437 combat missions, becoming an "ace-in-a-day" on nine separate occasions. All of his aerial victories were claimed on the Eastern Front.

Jagdgeschwader 5 was a German Luftwaffe fighter wing during World War II. It was created to operate in the far north of Europe, namely Norway, Scandinavia and northern parts of Finland, all nearest the Arctic Ocean, with Luftflotte 5, created specifically to be based in occupied Norway, and responsible for much of northern Norway.