Exactly. Humanity's first radio broadcast capable of detection from distant space was the 1936 Berlin Olympics broadcast. Then nukes nine years later were eve

Exactly. Humanity's first radio broadcast capable of detection from distant space was the 1936 Berlin Olympics broadcast. Then nukes nine years later were even more detectable, and discernible from natural sources. 4yrs travel time to Alpha Centauri, then 4 years back in a lightspeed craft, and voila - Roswell, sightings, abductions, coverups, etc.