Part 13 of a series reassessing the documentary record behind the 1933 Magenta narrative. TL;DR The genuine 23 September 1947 Twining letter takes flying-disc reports seriously and recommends a classified investigation. It also names the lack of crash-recovered physical evidence as a limit on AMC’s conclusions. “Real and not visionary or fictitious” is not an identification of extraterrestrial craft. The same letter allows natural explanations for some incidents and considers secret American...