I've been through all this with him in excruciating detail.
His usual response is that the proof is in documents
so sekrit nobody has ever actually seen them.

You forgat to mention a small detail,the documents are under lock for 75 years
and that is no secret.

Then he retreats into his Hans Kammler did it in Joanastal
fantasy. This involves Nazi UFO's with antigravity engines
armed with nuclear weapons. T

Where is Kammler?

must have been real duffers
to let us mere mortals beat them with nothing more than P-51's, Spitfires,
B-17's and Lancasters

Sometimes mere mortals do not even need P-51s,Spitfires and Lancasters to beat
Superpowers,box cutters might be more than enough to do job.