He cited details of his March, 1967 experience with a UFO at Malmstrom AFB in Montana.
During the episode, the base's nuclear missiles were disabled, and the missile's frightened guards reported seeing strange lights in the sky, which were silently flying at high speeds, and making unusual turns. He learned that a similar occurrence had taken place a week earlier at another base, where 10 missiles were shutdown as UFOs were seen.
The unidentified craft were sending some type of specific signal that could penetrate concrete, and triple shielded cables going to each of the missiles separately. Salas believes the UFO occupants were sending a simple message: 'get rid of your nuclear weapons. (Image above is an illustration).