Sensor turent
Machine gun
Machine gun tower
Sensor Tower
Concrete upgrade
Concrete upgrade
Hardened sensor tower
Command relay post
Research module
Synaptic link data analysis
Synaptic link analysis Mk2
Synaptic link analysis Mk3
Dedicated synaptic link
Sensor upgrade
Sensor upgrade
Dedicated synaptic link Mk2
Dedicated synaptic link Mk3
Neural synapse research brain
Neural synapse research brain Mk2
Neural synapse research brain Mk3
Vtol CB tower
Wide spectrum sensor
Wide spectrum sensor tower
Advanced engineering
Nexus link turent
Satelite uplink center
Laser Satelite Command Post