- Second World War (1939-1945)
- Oberleutnant (Flying Officer)
- Zugführer, I. Abteilung, Flak-Regiment 23, Luftwaffe
- Awarded on:
- July 5th, 1941
Oberleutnant Jäger distinguished himself during combat against a fortified massif of the Metaxas line while in command of an 8.8 cm Flak Zug. He and his men were able to knock out 30 bunkers, 8 armoured cupolas and 12 other various targets. For this he would be decorated with the Knight’s Cross.