And yet in the same vein....
http://news.bbc.co.uk/1/hi/programme...ne/4977134.stm
But there you have it, I doubt we'd get a straight answer out of anyone bar the ETs, though it's likely that a fair few UFOs are not ET in origin but military test vehicles...particularly the B-2 and F-117 when they were in testing, I should imagine they helped give rise to the flying triangles.
But there's gotta be something out there, there's just too much space for there not to be.