HALO: 303: ECHOES OF A FORGOTTEN WAR

The UNSC contemplates the fate of humanity, shrouded in shadows cast by the long-vanished Forerunner threat. Echoes of a lost war reverberate through the galactic void, whispering tales of unknown artifacts and a devious enemy that lurks on the periphery of known space. In this barren future, humanity's last hope rests on the shoulders of Master Ch

This time, the grasp Main agrees with Cortana that their work is concluded. The Chief uploads Cortana to a different holo tank and she guarantees to drop a distress beacon, but warns that it could probably be many years ahead of any one finds and rescues them. The Master here Chief goes into cryosleep to await rescue, ordering Cortana to "wake me.