Well I'd say they are just using default colours for all these previews. And perhaps the default colours for Invasion and any other Elites vs Spartans match type is green. Though it would be customizable I would assume. Though Spartans vs Spartans would probably still be red vs blue =D
Its invasion. For the beta, its 6v6. Each team has 3 teams of 2, kind of like a account-abill buddy. The duets have their own shade of green for spartans, and purple for covenant.
That new vid doc is awesome. At 5:41 check out how badass those mongooses look... and race is now a gametype?
Where'd the download for the ViDoc, that Bungie update just keeps looping back on itself with the links...
Well guess who is blowin 150$ on his favorite game http://www.bungie.net/images/News/Inline10/042210/HERO_LEGENDARY7.jpg in the vidoc I did see a LMG gun in use but couldn't see it because it was firing. It was in overwatch which has a turret in it so that's what it could have bin. Exclusive elite: Exclusive Spartan effect: