Why?
But to what end? Exploring the question behind the trails.
But to what end, WHY?
If we know that the substances left by the ‘planes’ cannot be chemicals or contrails, then what are we left with?
What is that stuff?
The existence of EDPs (Extraterrestrial Drone Planes), that look like planes, except for the occasional cosmetic error, and leave substances in the air that look like contrails must be related to ET activity in some manner.
The shapes are often squarish and triangular, but other recurring shapes appear in the substances left by the EDPs as well. There are too many square and triangle shapes for these to be caused by anything other than intelligent design or function.
See a great capture here by PaperThinVeil of a triangle / square shape forming in an EDP cloud at 55 seconds. There is also a great shot of a morphing EDP that follows: