He says he'd get fired for his views if in office today
Claims U.S. military had weapons to use against UFOs and that aliens can help us learn about climate change.
He is on an advisory body to the Queen, works as an environmental campaigner and is credited with integrating Canada's armed forces.
But aside from all this, the ex-Canadian defence minister says UFOs are real, aliens have visited Earth and the U.S. government is covering up information about them.
Paul Hellyer says he would probably get fired for his views if he was still Canada's Minister of National Defense today, but is adamant he has seen UFOs himself.
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Paul Hellyer speaking back in 2010: