2550


 * The  is refitted to serve near the Zeta Doradus system.
 * Lieutenant Wagner suffers severe plasma burns to a third of his body.
 * February 11: Dr. Catherine Halsey determines Cortana, to disable the viral termination code in her matrix, may be able to overcome the AI's 7-year life cycle.
 * April 5: Miranda Keyes is awarded the Silver Star and promoted from Lieutenant to Lieutenant Commander in a ceremony in downtown Quezon on Reach.
 * After July 9: Minab is glassed by the Covenant.
 * November 23: The Official Secrets Act is passed.