It is an unlockable thing you obtain from doing things
Also click X when your in Forge menu (when its loading) and move LS to the right and scroll down to appearance. there it will show you what you have unlocked
you can customize your character in halo 3. and you can change your character that has different armor in halo 3:odst
http://hubpages.com/hub/Halo-3-Armor
No, there is no armor in Halo 3 that has a knife in the shoulder.
There is no Brute armor in Halo 3, only Elite and Spartan models.
go to http://hubpages.com/hub/Halo-3-Armor
you get all the vidmaster achievements on halo 3 and halo 3 odst
NO
the same way in halo 3 because when you play halo 3 mythic it says your playing halo 3
recon armor
there is no permanent cheats in halo 3. you need to unlock them by achievments. and, you can not get the flaming armor effect, it is only for bungie employees. in halo reach, buy the legendary package to get that armor effect.
To get armor on halo three... There are several types of armor such as the hayabusa. To get this armor you will need to obtain all of the skulls. But like I said before, there's all different kinds of armor.For more info, check out the site called www.halo3planet.com
All the armor are the same it's just the way how you want to look WRONG! the best armor in halo 3 is the recon armor and you have to be a member of bungie OR get all 7 vidmasters in halo 3 ODST