12th Air Corps (XII.
Fliegerkorps) was formed 1 August 1941 in Zeist from the Stab of the 1.
Nachtjagd-Division and was redesignated as I. Jagdkorps on 15 September 1943.
The unit was subordinated to Luftwaffenbefehlshaber Mitte.
This article about a specific German military unit is a stub.