E3 2012: Halo 4

Halo 4 Official Trailer. Part 1 of the Halo 4 Xbox briefing exclusively from E3. Halo 4 “The Commissioning” Live-Action Trailer witness the unbridled optimism of the launch of the UNSC Infinity, then its crash as an ancient evil pulls it into a mysterious world where the Master Chief will begin an epic new Halo adventure.