- Period:
- Second World War (1939-1945)
- Rank:
- Oberleutnant (MA) der Reserve
- Unit:
- Chef der Batterie "Lausitz" / Marine-Flak-Abteilung 259
- Awarded on:
- April 20th, 1945
Awarded for his actions during the final battles for Germany in 1945. Oberleutnant Sardemann and his Batterie, deployed in Lensitz (west of Gotenhafen), played an invaluable role in stopping Soviet assaults in this area. In days of fighting the Batterie inflicted heavy losses on the Soviets, enabling the evacuation of a great many civilians and refugees.