Rank up your Spartan-IV to SR-5. - Halo 4
Complete mission 1 on any difficulty. - Halo 4
In mission 1, find and access Chief's record. - Halo 4
1,864/2,493825/1,00035/41
676/5,666480/2,00038/82
435/4,205300/2,00024/86