G%C3%BCnther Hessler

Gnther Hessler was a Kriegsmarine Fregattenkapitn during World War II. He commanded the Type IXB Uboat U107, sinking twentyone ships on three patrols, totalling 118,822160GRT of Allied shipping, of which 86,699160GRT was sunk on one patrol alone. He stands 21st on the list of highest scoring UBoat aces of World War II. Hessler was also a recipient of the Knights Cross of the Iron Cross . The Knights Cross of the Iron Cross was awarded to recognise extreme bravery in combat or successful military leadership.

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Source: Wikipedia