Another mysterious 'orange UFO orb' was spotted flying over the US, however, this time the inexplicable glow was seen conspicuously hovering over a military base in Tennessee.

An anonymous user on Reddit captured footage of a mystifying 'bright orange light' flying relatively low as it traveled over Fort Campbell - a military base along the Tennessee-Kentucky border - on New Year's Day.

The user, who witnessed the perplexing 'celestial' event alongside their father, who is a seasoned Army veteran, said that they 'couldn't explain' what they were seeing in the skies above.

'My dad, a former soldier with nearly 30 years of Army experience and extensive knowledge of the aircrafts that fly over his house, said he couldn’t explain what he saw - this was unlike anything he’d encountered before,' the post reads.

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