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 * Jane, a future SPARTAN-III, is born, as are many other future members of Alpha Company.
 * Jake Courage begins his career as a photo journalist on Reach.
 * Commander Dmitri Zheng rams his frigate into a Covenant destroyer. He avoids court-martial because the disabled destroyer is subsequently destroyed by MAC fire. Whilst he is away, his home world is glassed.
 * SPARTAN Soren-066 is assigned to a supposedly temporary desk job on Reach. While stationed at this job, he meets Partch, an insurrectionist who eventually changes Soren's allegiance.
 * The Type-27 Exoatmospheric Multi-role Fighter is first encountered by UNSC personnel.
 * March 20: Benjamin M. Nunez is born on Mars.
 * April 13: Sarah Palmer is born on Luna.