The pilots claim they physically saw it too. And the pilot who made the video was the 2nd group up from the first who claimed they saw it from their cockpits.

The pilots claim they physically saw it too. And the pilot who made the video was the 2nd group up from the first who claimed they saw it from their cockpits. And the FLIR was tracking the target moving. If it was a piece of dust stuck on, it would have looked as if it were moving the same speed of the aircraft, wouldn't it?