Are chemtrails in the sky real?
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Having been an airline pilot for 30 years at Delta and having served over ten years in the Air Force I am often asked about “chemtrails” in the skies. Chemtrails are a persistent conspiracy theory which alleges that the visible condensation trails (aka contrails) left by aircraft are actually chemical or biological agents deliberately sprayed for nefarious purposes, such as population control, weather manipulation or mind control. Despite its prevalence in certain online communities, the chemtrail theory is a myth, unsupported by scientific evidence, logistical realities and credible data. I want to draw on atmospheric science, practical considerations and the absence of verifiable proof to show why this idea lacks merit.