Forget China's spy balloon; military UFO incidents are far more intriguing

[Kid Berwyn]

13. Would break my heart to know someone was aboard a Flying Stopsign.

The issue has baffled the Pentagon and CIA since Kenneth Arnold reported seeing a formation of nine shiny, metallic-looking objects moving “like a saucer if you skip it across the water” while flying over Washington State in 1947.

https://www.theatlantic.com/technology/archive/2014/06/the-man-who-introduced-the-world-to-flying-saucers/372732/

Three-quarters of a century on and we still don’t know what UFOs are.