By this time you’ve probably seen enough of that same old image that Bungie released along with the Trailer at E3. Well, i think we can safely say the the group of soldiers shadowed or silhouettes are now identified as The Characters from Eric Nylund’s novel Halo:The Fall of Reach.
The soldier in the center is none other than the Master chief himself.

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..and the answer is        YES. Are you surprised? The trailer was possibly a little misleading having it set as a planet explodes and chatter going on back and forth from what is prosumed to be units on land and in space. joystiq reportedly spoke to Microsoft’s john Schappert in which he responded the the question with “of coarse it’s an FPS”.

In all it’s glory, the very first video footage of Halo: Reach revealed at E3 during Microsoft’s keynote. click HERE for higher res download links.