Mars Base by John Wilkinson

Primary Structure
Arboretum makes oxygen and plant growth. Final testing ground before plants are exposed to Mars terrain. Source of food. Contains all manner of life save for humans. The primary structure can survive without human interference.

Power Station
Thorium Nuclear Power Station

Quarantine Lock
Monitors power and provides distance from primary structure.

Vehicle Repair Unit
Can assemble vehicles as needed and as materials allow

Artificial Gravity
A centrifuge can