
Originally Posted by
Tipsycatlover
What I have heard, which is only a rumor, is that the X's are measuring the atmosphere, wind drift, etc, and they contain a chemical that keeps them from dispersing quickly. The chemical is irritating and can cause infections in those predisposed.
In any case, I have only seen them one time.
It's not like when Project Aurora was going on making every morning along the Santa Monica Bay miserable. It took forever to make the AF admit to what it was doing. But, they finally did, and stopped the flights too. No more "sound" quakes.