Sierra10852

Codenamed Sierra10852, this person was an ONI agent who assassinated Colonel Herzog after he threatened to expose Major Standish for keeping the Deep-Space Artifact from his superiors. Sierra10852 was executed for the assassination, however, it is unknown if this was Standish or one of his underlings.

Trivia
Following the pattern of the codenames featured in the sub-chatter record, "Sierra" (S in the phonetic alphabet) is the last initial and "10852" is the second string of numbers in their serial number.

List of appearances

 * Halo Graphic Novel
 * Page 122