Secret Navy Skyhook balloons behind many early saucer reports

When
A large Navy Skyhook research balloon in flight in 1957
A Skyhook balloon; the secret Navy program explained many early saucer reports US Navy, Public domain, via Wikimedia Commons

Large plastic Skyhook research balloons, about 100 feet across, were flown in secret for the Navy, unknown to most Air Force pilots. Blue Book chief Edward Ruppelt and the Condon report later cited them as the likely cause of many reports, including Capt. Thomas Mantell's fatal 1948 chase.

Sources

  1. OfficialScientific Study of Unidentified Flying Objects, Section V, Chapter 2: UFOs 1947-1968 (opens in a new tab)University of Colorado for the U.S. Air Force (Condon Report), copy hosted by NCAS / 1969
  2. FirsthandThe Report on Unidentified Flying Objects (Edward J. Ruppelt, 1956) (opens in a new tab)Project Gutenberg / 1956

How sources are chosen and tiered

Where it fits

See it on the timelineMore in Military