Military Exoskeleton Add-On
This little add-on gives a few military units Exoskeletons, along with their own skin.
There are two bonuses, one in the Military Warehouses and one in Cordon. Petruha gets a "Neutral/Stalker Mercenary suit" and Master... Well.. Check it out for yourself heheh.
NOTE: You have to start a new game for it to work.