The Air Force admitted they exist in 1952.
“[T]here have been a certain percentage of this volume of reports that have been made by credible observers of relatively incredible things.
“It is this group of observations that we now are attempting to resolve. Our basic difficulty in dealing with these is that there is no measurement of them that makes it possible for us to put them in any pattern that would be profitable for a deliberate custom sort of analysis to take the next step.”
- John A. Samford, USAf
https://www.allreadable.com/ed388j2f
“no measurement of them that makes it possible for us to put them in any pattern that would be profitable for a deliberate custom sort of analysis to take the next step.”
This guy is deeply out of the loop—no need to know.