2554


 * January 3: Insurrectionist forces of the United Rebel Front unsuccessfully attempt to invade and occupy Draco III's rebuilt capital of New Albany, resulting in a prolonged standoff between themselves and the UEG. Standoff results in the death of all insurgents but at least one UNSC soldier who was being held hostage was killed.


 * April 22: Shadow of Intent is rendered combat ineffective after a battle with Jul 'Mdama's forces.


 * November 21: Indrid Lota dies on Aleria.


 * December 15: Dr. Catherine Halsey, working on Ivanoff Station, files an audio log regarding the discovery of the Composer on the nearby Installation 03 and is fascinated by the similarities between the Forerunner device and the UNSC's AI matrix compiler.


 * Jul 'Mdama and his followers find the shield world Requiem. They attempt to gain entrance to the shield world but are unsuccessful until 2557.


 * The United Nations Space Command's Budgetary Retention Hearings of 2554 is held.


 * Tedra Grant visits Earth for the first time.


 * The Battle of Draetheus V takes place as Covenant forces under Merg Vol attack Draetheus V. The battle sees significant losses on both sides and Draetheus V itself is nearly destroyed when Merg Vol's activates X50. The main hostilities conclude with Spartan Sarah Palmer killing Vol and sabotaging X50's main weapon, bringing the Covenant's quest to a halt.


 * Some time after the battle, the Covenant return when a looping Forerunner code begins emanating from X50. After arriving at the source of the signal, Spartan Palmer discovers that the source is the remains of Spartan Edward Davis.


 * The Alerian mining union Mols'Desias is dissolved. Silas Lota dies shortly after.


 * Jordan Gaines is transferred from the UNSC Air Force to ONI Section One.


 * The Concord incident takes place, involving the use of outer plating methodology by Spartan-IVs.


 * A recolonization support fleet of the UEG arrives to Alluvion, discovering a strange anomaly under the planet's Sundark Sea; Forerunner shield pylons, which emerged and forced back massive walls of water revealing the seafloor.


 * Fathom Station is commissioned by Imbrium Machine Complex and designed to locate the crash sites of Splendid Intention and.


 * Naphtali Contractor Corporation took control over the EOD-class Mjolnir production.