In halo wars who did they not save?

Answer 1

if your talking about the last level of the halo wars campaign the person they did not save was sgt john forge he and 3 Spartans where going to blow up the sun to destroy a fleet of forerunner ships the covenant were planing to take unfortunatley the arbiter and a large group of elites attacked sgt forge and the Spartans after the fight the arbiter was dead and the reactor was damaged sgt forge told the Spartans that he would handle the reactor and he took the reactor into the sun after that it shows a cutscene with the ship spirit of fire escaping the exploding sun after that is the last cutscene of the game when the captain wants professor anders to go into a cyro sleep chamber than it shows a cyro chamber with sgt forges name on it