well, if you go to mission select, and play muesum.
now i can't remember which guy you kill, but one of them will drop the draonofv! now it looks identical to cod4, and just believe me. it's there!
shame it's not on multi-player....
now i posted this, as i saw some people complaining that it wasn't on the game, when infact it is, just not in multi-player.