Quick answer
Complete the 'Reach the control center to disable the security system' mission by following the beach path, locating the hidden security structure, and activating the override sequence at the central console.
Guide briefing
Halo Campaign Evolved Plate Tectonics Achievement Guide
Complete the 'Reach the control center to disable the security system' mission by following the beach path, locating the hidden security structure, and activating the override sequence at the central console.
Applies to
- — Halo Campaign Evolved
- — Plate Tectonics achievement
- — Mission: Reach the control center to disable the security system

Target
Disable the installation security system
- Checkpoint
- Inside the facility, near the control center entrance
- Landmark
- Beach path leading to interior of the island
Do this
- 1Follow the beach path as indicated by Cortana's navigation guidance.
- 2Locate and enter the interior of the island through the visible path.
Confirmation
Disable the installation security system is available as described. The mission objective is to reach the control center and disable the security system. The achievement requires completing this sequence without failing the mission.

Target
Activate the override sequence to disable the security system
- Checkpoint
- At the control panel inside the security system room
- Landmark
- Control center console with multiple access terminals
Do this
- 1Approach the central console in the control room.
- 2Interact with the terminal to initiate the disable sequence.
Confirmation
Activate the override sequence to disable the security system is available as described. The disable command must be executed after reaching the control center; this is the final step before unlocking the Plate Tectonics achievement.
