Description:IGN's legendary playthrough of 343 Industries Halo 4: Spartan Ops.
Episode 2 Chapter 5 - Gagarin Cliffhanger
We discover that Gagarin science team's fate might be similar to what happened to Dr. Glassman aboard UNSC Infinity. Our mission is to shut down this Forerunner artifact that the Gagarin team turned on, clear out any Promethean forces in the area and secure it for the next science team.
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