January 1946: 1946 US Naval report distributed in the UK by BIOS covering both "Shinyo" and "Kaiten", marked as "Restricted" throughout ... shown as being "Copy No. 66".
Including modifications to the rocket unit for the Me-163, assisted take-off units for the He-111, He-177, Ju-88, Do-18 and Me-321; and the rockets for the missiles Hs-293, Hs-117, Bv-143 and Enzian.
Copy No. 322 of the SECRET and exceedingly rare 1945 Combined Intelligence Objectives Sub-committee report on German secret underground factories