Project Sign 'Estimate of the Situation' rejected by Vandenberg
- When
- Sources
- 3 public sources
Project Sign staff drafted a top secret 'Estimate of the Situation' concluding that some saucers were interplanetary craft. According to later Blue Book chief Edward Ruppelt, Chief of Staff Gen. Hoyt Vandenberg rejected it for lack of proof and it was later burned; no copy has surfaced.
Sources
- FirsthandThe Report on Unidentified Flying Objects (Edward J. Ruppelt, 1956) (opens in a new tab)
- OtherHistory of the United States Air Force UFO Programs: Project Sign (Thomas Tulien) (opens in a new tab)
- OtherProject Sign and the Estimate of the Situation (Michael Swords, Journal of UFO Studies, 2000) (opens in a new tab)
How the story came out
Happened Sep 1948. First made public 7 years later (1956).
- Sep 1948It happened (this event)
- 1956Ruppelt's book reveals the rejected top secret estimate Project Gutenberg (opens in a new tab) - first made public