What along with privateer was XXX's military rank?
Adalbert Schnee
Otto Adalbert Schnee (31 December 1913 -- 4 November 1982) was a Korvettenkapitän (corvette captain) with Nazi Germany's Kriegsmarine during World War II. He commanded the U-boats U-6, U-60, U-121, U-201 and U-2511, sinking twenty-one merchant ships on twelve patrols, for a total of 90,847 gross register tons (GRT) of Allied shipping, and received the Knight's Cross with Oak Leaves.
corvette captain