shattered paradigm, the reason people on here are being so pedant, is that the notion of chemtrails is rubbish, and basically, we're all having a laugh at your expense.
unlike you (it would appear), we all are involved in aviation in some way, and has already been said, it would not be possible for secrets such as you are suggesting, to be kept so.
i bet you don't see any aircraft engineers or commercial pilots at your weekly conspiracy meetings.
or maybe they are there, but they are dressed up as *normal* people.....you'll never know.