Shiny highly visible UFOs ?

Highly visible shiny UFOs, really?

Your a civilization that's at least 8 to 10,000 years older than Earth's in order to get from their planet to this planet. Our jet fighters are painted to make them harder to spot in the sky, it's called camouflage, correct? And you want to tell me that a civilization that is barely 2000 years old has better technology than somebody from another world? The question isn't whether UFOs exist, the question is which planet are they from, ours or thier's? Your visiting an unknown world with a civilization that is capable of shooting you out of the sky and you have a choice between a bright shiny disc that everybody can see and a UFO that is at least camouflaged, if not cloaked, which one do you choose to visit Earth in? Now if you're an earth scientist who has stolen UFO technology your not likely to be concerned with what color it's painted, and more likely concerned with whether or not you can even get it to fly. 

So the next time you visit a planet inhabited by people who play video games like skeet shoot, don't you think you should at least use some camouflage paint? And if you wanted to be unnoticed when you fly, wouldn't you want your Aircraft to look like the other aircraft flying around? 

Why do chemtrail's or vapor trails only appear on commercial flights?

Why do you not see a chemtrail or vapor trail from the military jet?

   I could be wrong but living next to a military base I see aircraft in the air all the time. But the question that keeps coming to mind is why do I only seem to see vapor trails coming from high-altitude commercial aircraft and the only time I see chemical or vapor trails coming from military aircraft is during an air show? The majority of the time when a military aircraft is flying overhead I have to strain my eyes in order to spot the aircraft. No chemtrail, no vapor trail and that would prompt the logical answer that military aircraft do not want to be seen. But the basic question that I have is why do these other aircraft have to be seen either? Why can't they fly without a vapor trail as well?