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The Battle of Chi Rho took place in February 2535[citation needed] between UNSC and Covenant forces.


Over the course of the war, Vice Admiral Jean Mawikizi's fleet was constantly pushed back by the Covenant. By 2535, he decided to hold a last stand at Chi Rho.[1]


During the battle, the UNSC Roman Blue was cut in half by an energy beam and its front quarter crashed on the moon Eiro.[2]


In 2557 the wreckage of the UNSC Roman Blue was discovered by the civilian salvage ship Ace of Spades. Lucy Forge the ship's captain was able to recover Captain William Webb's logs before what remained of the UNSC Roman Blue was destroyed by a plasma beam from an unidentified ship.[2]


  1. Halo: The Cole Protocol, Page 31
  2. 2.0 2.1 Halo: Smoke and Shadow, Page ??

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