Master Chief Petty Officer John-117, also known simply by his rank as the "Master Chief" or simply as the "Chief", is a Spartan-II supersoldier of the UNSC Navy's Special Weapons division.

Master Chief returns as the main protagonist in Halo Infinite (2021). The story has him work with the Weapon, an AI modeled after Cortana, to stop another Halo from being activated by space pirates …

Outside of video games, the Master Chief appears in the novels Halo: The Fall of Reach, Halo: The Flood, Halo: First Strike, and Halo: Uprising, and has cameos in Halo: Ghosts of Onyx and the Halo …

Follow the complete timeline of Master Chief, from Spartan‑II origins to Halo Infinite, exploring his battles, relationships, and evolution across the Halo saga.

5 days ago · Billed as "A Master Chief Story" (of which this is the fourth), Halo Edge of Dawn is set after Infinite, and has Master Chief searching for allies. It deals with Joyeuse (Not-Cortana), Master …

6 days ago · A brand new sequel to Halo Infinite has been released, continuing Master Chief's story after the 2021 game.

Dive into the thrilling world of Halo Infinite as we witness the epic comeback of Master Chief.

Jun 14, 2025 · Looking to hit the prestigious Max Rank Hero in Halo Infinite and earn the iconic Master Chief’s armor? This guide breaks down everything you need to know—from XP requirements and kill …

Dec 22, 2025 · Halo Infinite officially has a campaign sequel, but fans should be aware that Master Chief's next chapter comes with a big catch.

Halo: Edge of Dawn, the latest novel by acclaimed author Kelly Gay, is out now! Taking place in the immediate aftermath of Halo Infinite‘s campaign, Edge of Dawn follows the Master Chief, the …