http://www.youtube.com/watch?v=xBF6J...layer_embedded
Pretty clear it's MGS at this point. But what does the trailer actually mean. Is it real, a dream or an illusion?
Interesting speculation:
http://www.youtube.com/watch?v=qkHjzzix1kA
http://www.youtube.com/watch?v=Z7IhuPIQHDQ
http://www.youtube.com/watch?v=IxcO99mZgVU