Or, is it just another CGI video fake, or a misidentified high altitude missile test?  Both these videos show what appears to be the same unknown object, but were taken from very different perspectives.  But again, in leu of more definitive evidence, we remain cautiously skeptical.

http://www.youtube.com/watch?v=Hfy2JMcyMyA&feature=player_embedded

http://www.youtube.com/watch?v=SQSJFaEMcFo&annotation_id=annotation_342807&feature=iv