HAIL TO THE CHIEF!
After months of playing Halo Reach, I've finally been able to recreate Master Chief.
Since the game takes place during the Fall of Reach, the Chief would be wearing his Mark V helmet
To do this you need the Mark V helmet, the Mark V shoulder pieces, and the golden visor. To unlock all these you'll need to be at least a Brigadier, once you reach that rank you should have more than enough credits for the armor pieces (provided you haven't excessively spent your credits on other things)
I'd like to see the Chief in action with a combat knife (He'd probably be like Jason Voorhees or something), and I'd like to hear what kind of witty remark Cortana would say in response to it.