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.
History[]
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.