A former air force chief claimed today how he saw a UFO firing four beams of light at a nuclear missile while in the fringe of space.

Ex-US Air Force First lieutenant Robert Jacobs alleged a craft resembling a flying saucer circled the dummy warhead during a test flight in California, during 1964.

However, the former serviceman was ordered never to breathe a word of what he saw, a bombshell press conference heard.

Along with other former American air force chiefs Dr Jacobs was giving evidence about how aliens tampered with weapons systems during tests, at nuclear bases and even shut the missiles down.

Giving his testimony at the National Press Club in Washington DC, he said: "I was part of an US Airforce cover up. It was shaped like a flying saucer and was firing a beam of light at our warhead. "

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