So, you believe that the men of the only operational nuclear bomber group are too stupid to know the difference between a balloon and something else?
“In June 1947, rancher W.W. “Mac” Brazel found debris – tinfoil, rubber, and thin wooden beams – scattered across a square mile near Corona, New Mexico”
https://en.wikipedia.org/wiki/Roswell_incident
SO you are telling me interstellar spacecraft are made from “tinfoil, rubber, and thin wooden beams”?