Eric Winkle Brown's raw unreleased interviews.
Tape Three: Doolittle, Piston Engines, Turbojets, and Nazi Germany
https://youtu.be/XjHdliLSBPg?si=h4WnKHJcxC6DZVq8
Messerschmitt Me 323 "Gigant", Arado 232 "Millipede" and other advanced German WW2 transport aircraft.
Includes an interview with Eric Winkle Brown about the aircraft,
https://youtu.be/AN1hk4dEhW0