Erich Raeder and Karl Dönitz both reached what rank in the German Navy?
Erich Raeder:  Raeder attained the highest possible naval rank—that of Grand Admiral — in 1939, becoming the first person to hold that rank since Alfred von Tirpitz. Karl Dönitz: Karl Dönitz (sometimes spelt Doenitz) (] ; 16 September 1891 – 24 December 1980) was a German admiral who played a major role in the naval history of World War II.
Grand Admiral