“Chemtrails” originated at the US Department of Defense as the title for a Chemistry manual used at the Air Force Academy cadet training program in the early 1990?s. Two editions of the “Chemtrails” manual are known to exist LINK
“Chemtrails” originated at the US Department of Defense as the title for a Chemistry manual used at the Air Force Academy cadet training program in the early 1990?s. Two editions of the “Chemtrails” manual are known to exist LINK