Evacuation

Evacuation is the sixth campaign mission in Halo 5: Guardians.

Plot
Fireteam Osiris hurries to the space elevator of Meridian Station to get to a Pelican dropship for evacuation.

When Osiris is near the elevator they learn that Sloan has joined Cortana's cause. After the Guardian smashes the elevator and kills all non-Spartan humans, Osiris rushes upwards through narrow catwalks.