2557


 * The is commissioned into service.


 * July 21, 2557: Aboard the, Cortana wakes John-117 from his cryotube and warns him of Covenant forces trying to board. Once off the frigate, they realize they are on the Forerunner shield world Requiem.


 * Summer 2557: The Infinity picks up the distress call of the Forward Unto Dawn. Upon nearing Requiem, the ship's control systems are hacked by an unknown entity and is crash-landed on the conservation sphere's surface.