Karl Doenitz, who took over as leader of Germany after Hitler's suicide, was a high officer in this military branch
[DOC] [TLE] Nuremberg Trial Defendants: Karl Doenitz | Jewish Virtual Library [PAR] After his appointment in 1935 as commander of the Weddigen U- boat flotilla ... 
Then, on 1 May 1945, he succeeded Hitler as leader of Germany (2887-PS).