In reply to: The chemtrails are blatantly crossthreading
"Air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air. A controller's primary task is to separate certain aircraft — to prevent them from coming too close to each other by use of lateral, vertical and longitudinal separation."
In reply to: all over the sky on some days
In 2000 there were 8,951,773 commercial aircraft departures in the United States alone....that's 24,525 per day, 1,021 per hour, 17 per minute.—AirTraffic
In reply to: what the hell they are
The scale of air traffic and the AviationSmog it creates by burning and dumping over 14 billion gallons of fuel each year is truly immense.
http://deoxy.org/watch?q=fuel+dump