H/T to David Dees.
What's the difference between a water vapor trail and a chem trail, you ask? Vapor trails disappear fairly quickly, but chem trails keep spreading out. I don't know the chemical content of chem trails, but it's probably nothing you want to breathe in. Call it a hunch.
Tin foil time. Thanks to David Dees for these pictures. For more of his work, go Here.
Are you snugging up that aluminum chapeau yet?
Mum's the word. Remember, loose lips sink dictatorships.