Here's a quick glimpse into Halo 4 at E3 2012 in video form.
(Courtesy of  Halo Waypoint)
I was honored to have been a part of it.  
Enjoy!

                                                                  Halo 4 at E3 2012 


Halo 4 Wargames Gameplay

                                         

Halo 4 Spartan Ops Gameplay

                                          

Halo 4 E3 2012 Wrap-up