Metisette Incident

The Metisette Incident was a major Shoggoth containment breach on the moon that occurred on June 13, 2556. It happened when around two dozen rebel infiltrators from the managed to break the Shoggoth, designated Item-2547-2, out of its containment area. The subsequent breach resulted in the deaths of all infiltrators, over a thousand ONI personnel casualties, and severe damage to the facility.