[fieldmarshaldj]

Didn’t Gordo Cooper remain convinced until the end that he saw UFOs ?

[SunkenCiv]

Yeah, he was sure about it, but then, he drank heavily for years. :’) He stated that there were UFOs present during every US spaceflight, which isn’t verified by other astronauts, including Edgar Mitchell, who professes never to have seen one himself, but is convinced there’s a gubmint coverup.

http://www.ufoevidence.org/feature/gordoncooper.htm
http://en.wikipedia.org/wiki/Edgar_Mitchell

Here’s an interesting guy, cofounded JPL, died in the 50s, had some fringe interests, was scrubbed from NASA’s cute little historical plaques:
http://www.wired.co.uk/news/archive/2014-04/23/jpl-jack-parsons

http://www.wired.co.uk/news/archive/2014-04/23/jpl-jack-parsons