Halo: The Rubicon Protocol

Halo: The Rubicon Protocol is an upcoming Halo novel by Kelly Gay, following surviving members of the United Nations Space Command as they mount a resistance against the Banished following their ambush by them in late 2559. The novel was originally set to be released March 15, 2022, but later was delayed to August 9, 2022.

In celebration of San Diego Comic Con between July 21-24, 2022, a few limited copies of The Rubicon Protocol were released early through the Simon & Schuster booth at the convention. Additionally, on the 8th and 29th of July respectively, two short previews of the book were officially released by 343 Industries, with a third released in a Canon Fodder on 2nd of August. The links to these previews can be found at the bottom of this page.

Appearances
{{Featurelist|secondcolumn=title-5|title-1=Characters|

Artificial Intelligence

 * Cortana
 * Ouco

Human

 * Bender
 * Bonita Stone
 * Cam
 * Dimik
 * Douglas-042
 * Horatio Fry
 * Jo
 * Lucas Browning
 * Nina Kovan
 * Sarah Palmer
 * TJ Murphy
 * Thomas Lasky
 * Tomas Horvath
 * Vedrana Makovich

Jiralhanae

 * Atriox
 * Gorian


 * title-2=Species|
 * Human
 * Jiralhanae
 * Kateukal
 * Kig-Yar


 * title-3=Organizations|
 * Banished
 * United Nations Space Command
 * UNSC Armed Forces
 * Spartan Operations
 * SPARTAN-IV program
 * Fireteam Intrepid
 * Fireteam Shadow
 * Fireteam Taurus
 * Fireteam Windfall


 * title-4=Locations|
 * Anvil Station
 * Milky Way
 * Installation 07


 * title-5=Events|
 * First Immolation
 * War
 * Human-Covenant War
 * Post-Covenant War conflicts
 * Created conflict
 * Battle for Zeta Halo
 * Battle over Installation 07


 * title-6=Vehicles|

Human

 * F-41 Broadsword
 * GA-TL1 Longsword
 * Pelican
 * SKT-29 Bumblebee
 * Echo India Bravo Zero Eight
 * Papa Tango Delta Zero Nine
 * Echo India Bravo Zero Eight
 * Papa Tango Delta Zero Nine

Banished

 * Banished dreadnought
 * Dovotaa Workshop Griever
 * Phantom
 * Banished Phantom
 * Seraph
 * Banished Seraph


 * title-7=Weapons|

Human

 * M395 DMR
 * M85 Scythe
 * M965 Fortress point defense network
 * MA series
 * MA5 series
 * MA5D assault rifle
 * Magnetic Accelerator Cannon
 * SRS99 series
 * SRS99-S5 AM sniper rifle
 * M395 DMR


 * title-8=Technology and equipment|

Forerunner

 * Halo Array
 * Sentinel
 * Aggressor Sentinel

Human
}}
 * Artificial intelligence
 * Personal AI
 * MJOLNIR Powered Assault Armor
 * HIVEMIND-class Mjolnir
 * MJOLNIR Powered Assault Armor (GEN3)
 * ANUBIS-class Mjolnir
 * STORMFALL-class Mjolnir
 * TRAILBLAZER-class Mjolnir

Production notes
Despite having narrative connections to Halo Infinite, Halo: The Rubicon Protocol will stand on its own and will not be "required reading" for fans to understand the game's story.