UFO's Prompt US Anti-gravity Research

A declassified Royal Australian Air Force intelligence document reveals major anti-gravity research effort in the 1950s and 1960s involving noted general relativity experts. They claim that the reality of UFOs was the motivation.

Link to the RAAF document:
https://drive.google.com/file/d/16DnMGVIBfANd89SYsKO39xvDvKy-oNQW/view?pli=1

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