But those aircraft have been operational since the mid-50s.
that started probably in the late 50s, early 60s, where they used man-made objects that
And those have been in reporting systems since the 40s and 50s.
one Mr. Fraver was involved in back in the 50s and 60s.
For example, most people wouldn't imagine that in the late 50s, early 60s, we had man-made
and the intelligence community going back to the 40s, 50s, 60s who dealt with this issue.