Microsoft and Bungie officially announce Halo: Reach during E3, revealing details about the game's storyline and gameplay.
Halo: Reach is released worldwide for the Xbox 360, becoming one of the most critically acclaimed entries in the Halo series.
Bungie releases a playable demo of Halo: Reach, allowing players to experience a preview of the multiplayer modes and gameplay.
Halo: Reach is showcased at Gamescom, featuring new gameplay footage and detailed previews to the gaming community.
Announcement of the beta test phase for Halo: Reach multiplayer, allowing select players access ahead of the official release.
The UNSC Pillar of Autumn arrives at the planet Reach as part of a classified mission to deploy a new prototype weapon.
Noble Team, an elite group of Spartan-IIIs, is assembled and deployed to defend Reach from the Covenant invasion.
Noble Team leads a resistance to retake Feng Ranch from Covenant forces to secure retreat paths and supply points.
Noble Team successfully disables a Covenant supercarrier hovering over Reach, buying crucial time for the planet's defense.
Noble Team defends the Abundant Tree communication array to maintain contact with UNSC Earth command.
Noble Team contests the Covenant assault on New Alexandria to protect one of Reach's largest cities.
Noble Team recovers intelligence relating to the location of the original Halo ring installation.
Noble Six stays behind to hold off Covenant forces, allowing the Pillar of Autumn to escape Reach with critical data.