Vision Description (EN)
A formal memorandum from the Department of the Air Force, dated 15 February 1949, titled 'AIR INTELLIGENCE REQUIREMENTS MEMORANDUM NUMBER 4' regarding 'UNCONVENTIONAL AIRCRAFT'. The text outlines procedures for reporting sightings of 'Flying Discs'. The document is marked 'RESTRICTED' at the top and bottom, and contains no redactions.
Descrição Vision (PT-BR)
Um memorando formal do Department of the Air Force, datado de 15 February 1949, intitulado 'AIR INTELLIGENCE REQUIREMENTS MEMORANDUM NUMBER 4' sobre 'UNCONVENTIONAL AIRCRAFT'. O texto descreve procedimentos para relatar avistamentos de 'Flying Discs'. O documento está marcado como 'RESTRICTED' no topo e no rodapé, e não contém rasuras.