Imagine, sliding behind cover from Vex fire on the Frontier. You're low on ammo and out of space-magic. You turn to retreat when you notice a gleam in the grass. After checking to make sure cover is close by, you make for the shiny object. There lies a EVA helmet, the visor broken but no other armor around to show for the spartan's death. You see what must be done and turn to face your enemies with the ten rounds you have left and the new found Halo inspired determination coursing through your veins. That's the Easter Egg that the franchise deserves from its founders.