What along with privateer was XXX's military rank?
Hans-Georg Schierholz
Hans-Georg Schierholz (16 August 1921 -- 12 February 1996) was a radio/radar operator and Oberfeldwebel in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes).
Oberfeldwebel