It's been 74 years to the day since one man's death changed the way the world viewed UFOs forever.

January 7, 1948, initially seemed like an average day for staff at the Godman Army Airfield at Fort Knox, Kentucky but by early afternoon, their pilots descended into chaos.

At about 1:45 p.m., Sergeant Quinton Blackwell reported a "very white" flying object with a red border at the bottom in the distance.

Base commander, Colonel Guy Hix described the object as being "about one fourth the size of the full moon" as he observed the mysterious aircraft with other members of staff for around 35 minutes.

Unsure of what the object was that was reportedly travelling 500mph at 10,000 feet in the air, the airforce decided to send in their pilots to investigate.

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