It is actually called something else that I can't remember, but you unlock it in the E.V.A. helmet as an accessory after you buy every other helmet and accessory.
Chat with our AI personalities
his helmet is a grenadier
Commander
He is wearing the Commando helmet that you unlock by ranking up.
Codes for the Flaming Helmet were included with the Legendary Edition (MSRP $150.00 USD) of Halo: Reach. The only way to obtain them is to buy a Legendary Edition version of Halo: Reach, have a friend give you an unused code, or mod it (and get banned).
why would someone do that!