- Second World War (1939-1945)
- Korvettenkapitän (Lieutenant Commander)
- Flottillenchef 11. Vorpostenflottille
- Awarded on:
- June 24th, 1944
Awarded for his distinguished command of the 11. Vorpostenflottille throughout WWII. Despite having no outstanding deeds to his credit, the sum of his wartime achievements were considered far in excess of most of his contemporaries. He would be recognized accordingly. While protecting his convoy escort sector (Cuxhaven-Rotterdam) Loewer’s Flottille shot down almost 50 enemy aircraft, destroyed 4 MTBs and heavily damaged another 4.