Spartan Death Arena(SDA)

The Spartan Death Arena or SDA,was a UNSC facility in Alaska, in which Spartans, who had finished their training,would be sent in order for the best to be chosen.To do that, Spartans had to fight with each other, so that the best warriors would survive.In this arena over 50 Spartans lost their lives but the result was to have John-117,Peris-116,Panos-118 and the other remaining Spartans in the frontline saving humanity from extinction.