U-511 Steinhoff 9-Aug-1942 6 days
KapitänleutnantSteinhoff was a member of the Crew of 1934 and was 33 years of age at the time of this patrol. His brother researched the latest rocket technology at Peenemünde and therefore U-511 and Steinhoff were involved in highly secretive tests sending rockets from submarines.
SOURCES: Gudmundur Helgason, Rainer Kolbicz, www.uboat.net, 2013, Kenneth Wynn, U-boat Operations of the Second World War, Volume 1 and Volume 2, 1997, R. Busch, and H.-J. Röll, German U-boat Commanders of World War II, 1988, Franz Kurowski, Knights Cross Holders of the U-boat Service