Five people with unbelievable tales of UFO encounters.

Arthur C. Clarke said that there are two possibilities.

Either we are alone in the universe, or we are not.

Both are equally terrifying.

Though we're still far from proving any of the arguments, there are already people who

strongly believe in extraterrestrial intelligent life.

In fact, to many of them, these other worldly beings have already made their presence known.

Here are five people with unbelievable tales of UFO encounters.

Number five, Terrell Copeland.

To become part of the United States Marines, one has to possess honor and integrity.

He should show, either in his actions or words, and this is the reason why it's hard

to dismiss Terrell Copeland's story as purely fictitious when he even swore his life

on its truth.

Copeland was a former US Marine from Suffolk, Virginia, and after his retirement from

the forest, the 27-year-old had been working as a forklift driver at a local warehouse.

His bizarre story began in 2007, he was in his apartment when he saw what he believed

to be unidentified flying objects hovering in the sky.

In his words, he described the objects to be just a big ball of light.

These weird objects didn't seem to move, they were floating 300 feet above the ground

and were changing colors very rapidly.

This is not usual, something's wrong here, he said to himself at the time, so he decided

to grab his cell phone and record what he was viewing.

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