I'm pretty tired of people swearing at me on this forum. Any way...
Yes, planes do make contrails. Especially military planes. We are not debating that. What we are debating are the causes of "persistent contrails". I have read all of the reports on both sides. I don't claim to know the truth. Until you have lived in an area and seen the sky turn milky white a person just can't understand. I live in one of these area.
There is a ton of research and trials going on all to do with geoengineering and slowing climate change. Many of these experiments are well known and well documented. Scientists are dumping iron into the oceans by the ton to help the plankton and algae. Many companies and individuals have gone rogue and started performing these tests on their own without government approval. To me, it's not out of the question that some planes are experimenting with solar reflection.
Geoengineering is becoming a mainstream topic. It's slowly leaking into the mainstream media and many top government organizations are holding forums and considering legislation on this topic.
This is the best presentation I have seen. It's from a guy at NASA. I'm not through with it yet, but it actually began to make me a believer in climate change which is a huge jump.
http://www.ustream.tv/recorded/29293171