Good stuff.
The video smoothly fades through the Halo 3 ending to the Halo 4 Awakening Trailer.
http://www.youtube.com/watch?v=RWof___2GOQ
*Cortanna said the Flood, Truth and covenant were all defeated. She didn't mention the forerunners.
*Theres Ice and snow all over the shuttle, outside of Chief's Cryo.
*And some more stuff.
[Edited on 06.10.2011 12:01 AM PDT]