UFOs have reportedly tampered with nuclear bases and missile test facilities across the United States - and this is where the mysterious craft targeted, according to whistleblower military veterans.

The Sun Online has mapped the alleged extraterrestrial meddling with Earth's doomsday weapons that apparently occurred during the height of the Cold War in the 1960s and 1970s.

Former US Air Force chiefs went on the record yesterday, claiming aliens have tampered with US weapons systems undergoing tests and disabled secret ballistic missile silos.

The veterans are calling on the US Congress to investigate and hold public hearings into reports UFOs meddled with, or knocked out, nuclear weapons at their hidden underground launch sites.

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