Halo timeline: The return to Requiem and the Janus Key

[Windows Central]

As the Master Chief moves forward following Cortana's apparent passing and the Didact's defeat, the UNSC Infinity returns to the planet Requiem for further investigation and analysis.
In the last article, we look at the events of Halo 4, which saw Master Chief and Cortana discover the Forerunner world of Requiem and thwart the Didact's plan to exterminate humanity, albeit at the apparent cost of Cortana's life.
Complete Halo timeline series
In this one, we're going to cover the events of Halo 4's post-campaign Spartan Ops mode that details the UNSC Infinity's return to Requiem and the subsequent events that take place afterward.

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