A Yanagi mission delivered seventy Japanese Type 91 aerial torpedoes to Germany, where they received the designation LT 850. The weapons apparently were not used operationally, but German engineers studied their performance data and pneumatic stabilization system closely. Wartime technical exchange within the Axis flowed in both directions, and Germany needed Japanese solutions for aerial torpedoes. The assistance arrived too late to rescue the early carrier program, although it contributed useful knowledge to later German development.
Chapter · 29:23-31:58
A Yanagi mission brought Japanese Type 91 torpedoes to Germany
Japan supplied seventy Type 91 aerial torpedoes and stabilization knowledge that helped German development, reversing the familiar direction of Axis technology transfer.