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United Nations Space Command
This unidentified Captain in the UNSC Navy oversaw the testing of SPARTAN John-117's Mark VI MJOLNIR armor.
On October 20th, 2552, this captain served as the commanding officer of the UNSC Special Warfare Center in Seongnam, Korea. There, he monitored reservist SPARTAN Maria-062's progress on testing the MJOLNIR Mark VI battle armor.