Halo Combat Evolved Anniversary: The Pillar of Autumn

We start on the UNSC ship The Pillar of Autumn and they are preparing to fight an alien race known as The Covenant. An alien alliance made up of many species. You enter the main character of the story, The Master Chief. He is different than ordinary marine, The Master Chief is a spartan. Soldier with great strength. He must reach the bridge of The Autumn and get AI Cortana of the ship. The chief also receives an incoming message from the ring world of halo from someone called 343 Guilty Spark.