Cruising at altitude over the New Mexico desert, an unsuspecting airline pilot was about to have a close encounter that would send shockwaves through the UFO community.
What started as a routine flight would lead to the FBI's involvement and greater calls for transparency in the US Government's investigations into alien life.
Now exactly one year on, the Daily Star has painstakingly pieced together the remarkable chain of events that led to one of the most significant UFO sightings of 2021.