The largest coordinated global engineering project in the history of our species. People across the world are noticing planes crossing back and forth in the sky leaving in their wake a trail of vapor that does not evaporate. These are not your normal commercial airlines following a preordained path from city to city. The mysterious unmarked planes leave smoke-like trails behind them that spread until by the afternoon they have blossomed and grown until the skies have become overcast. Officials from the Air Traffic Control the EPA and the Air Force will not respond to questions regarding this phenomenon.
