Superman: Man of Steel
Superman: Man of Steel
Out of context: Reply #5
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- tredesigns0
@detritus
Contrails: Their formation is most often triggered by the water vapour in the exhaust of aircraft engines, but can also be triggered by the changes in air pressure in wingtip vortices or in the air over the entire wing surface. -http://en.wikipedia.org/wiki/Co...So I guess they are keeping it real.