Nordmann, who had been promoted to Oberstleutnant (lieutenant colonel) on 1 August 1943, was appointed Jagdfliegerführer Ostpreussen on 1 April 1944. This command was also later referred to as Jagdabschnittsführer 6 (leader of the 6th fighter sector), while subordinated to the Luftflotte 6 (6th Air Fleet). On 4 May 1944.