I always find it ironic that the footage thought to be most credible is the least impressive.

This footage reminds me very much of the footage taken by the Mexican air force pilots where they just seemed to be following the thing (or being followed).

http://www.youtube.com/watch?v=yzweYxaS5yo

More unimpressive footage..which suggest realism

http://www.youtube.com/watch?v=-Cp1l...eature=related