Sweden

Sweden is central to one of the archive's strongest early documents: the November 1948 USAFE TOP SECRET cable in which a U.S. officer reports that 'Swedes conclude the source of the objects is non-terrestrial' — among the earliest such assessments by a Western intelligence body.

Incidents at

• 1948-11-08USAAF

  U.S. Air Force Intelligence Records: Top-Secret Flying Saucer Reports, November 1948

• December, 1952CIA

  CIA Memorandum for Record: British Activity in the Field of "Unidentified Flying Objects," December 1952

• December, 1953CIA

  CIA Memorandum: Current Status of the Unidentified Flying Objects (UFOB) Project, December 1953