- Period:
- Second World War (1939-1945)
- Rank:
- Oberleutnant (Flying Officer)
- Unit:
- Chef, 2. Batterie, I. Abteilung, Flak-Regiment 8, Luftwaffe
- Awarded on:
- December 9th, 1942
During the defensive battles along the German blocking position between the Volga and Don rivers (north of Stalingrad) on 26-27.08.1942, Oberleutnant Oster and his Batterie especially distinguished themselves. In these two days Oster and his men destroyed a total of 17 enemy tanks and damaged a further 7, some of these in close combat.