Upon completion, it is equipped to Devastator Warships, Planetary Assault Carriers, Annihilator and Reaper Tripods, granting them an extra layer of protection. An active forcefield will absorb the shock of an EMP before collapsing, potentially saving these units -- especially the airborne ones -- from certain destruction. Similar shielding was used by the baseline Scrin faction and the Reaper-17 cult to protect smaller units as well. Since Reaper-17 doesn't employ Devastators nor Planetary Assault Carriers, the cost is reduced to half.