Air Force Academy “Chemtrails” Manual Available For Download
Details or original DoD Chemtrails Document:
Chemtrails: Chemistry 141 and 142, Fourth Edition CB (Applications and Concepts in Chemistry) by Usafa
Publisher: Addison Wesley Publishing Company (1998-03)
Spiral-bound – Sales Rank: 4847383
Product Demensions: 10.8 x 8.9 x 0.5 inches
Later editions of this textbook are now available online. See BookFinder4U or Google Search by ISBN number = ISBN: 0201306840
NASA’s historical use of the term “chemical trail”:
The familiar aviation term “contrail” is a contraction of the two words “condensation” and “trail”.
Similarly, a “chemtrail” is a logical application of the contraction rule where two similar words, “chemical” and “trail” are spliced together as a single recognizable word.
The term “chemical trail” became part of the NASA lexicon when published in the document
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