On 1 October 1939 , Donitz became a Rear Admiral -LRB- Konteradmiral -RRB- and '' Commander of the Submarines '' -LRB- Befehlshaber der Unterseeboote , BdU , the German equivalent of ComSubPac or ComSubLant -RRB- ; on 1 September the following year , he was made a Vice Admiral -LRB- Vizeadmiral -RRB- .
He served as Commander of Submarines -LRB- Befehlshaber der Unterseeboote , B.d.U. -RRB- .
He served as Commander of Submarines -LRB- Befehlshaber der Unterseeboote , B.d.U. -RRB- .
أعد كتابة هذه الجملة من أجل التبسيط: On 1 October 1939 , Donitz became a Rear Admiral -LRB- Konteradmiral -RRB- and '' Commander of the Submarines '' -LRB- Befehlshaber der Unterseeboote , BdU , the German equivalent of ComSubPac or ComSubLant -RRB- ; on 1 September the following year , he was made a Vice Admiral -LRB- Vizeadmiral -RRB- . خرج: