From Halopedia, the Halo wiki
Kilo Team is a UNSC Marine Shock Trooper team part of the 340th ODST Combat Training Unit. that provides combat training exercises for other UNSC Special Forces units. The unit is assigned to the Special Warfare Center in Seongnam, Kyonggi Province, United Korea.
Mark VI MJOLNIR armor test
In October 2552, Kilo and Echo teams of ODSTs provided a mock combat exercise to test a suit of Mark VI MJOLNIR armor in Seongnam. Spartan-II Maria-062, who wore the armor, deployed from low Earth orbit via a parafoil and launched a sudden attack on the ODSTs. She was able to neutralize all members of Echo Team with paint pellet guns, paint grenades, and hand-to-hand combat. However, as she entered structure Alpha-Two, Kilo Team surprised and quickly subdued her via a maneuver codenamed the "Bulgoki Gambit", having been forewarned by the last "surviving" member of Echo Team. After the test, the armor was delivered to Master Chief Petty Officer John-117 only minutes before the Covenant's invasion of Earth.
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