Whether you believe him or not, Bob Lazar is one of the most influential figures in modern UFO history.

In 1989, he stepped forward, claiming he worked at a site called S‑4, near Area 51, where he said he helped reverse‑engineer non‑human technology.

According to Lazar, the craft he saw didn’t fly like anything we know; it bent space, used gravity as a propulsion system, and operated on an element that wasn’t even officially recognized at the time.