Mattis in the Zion control room

"Breached! The dock is breached!"
―Mattis signaling the start of the Battle of Zion [src]

Mattis was an Operations Officer of Zion Control under Commander Lock.


Mattis helped coordinate operations from Zion Control, and signaled the start of the Battle of Zion when the Diggers breached the ceiling of the Dock.


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