Kellan's mind was racing. "Wait a second. Those white spheres outside that we saw - they had nothing to do with the holographic projection. They must generate something else...a force field...some kind of protective canopy against something indigenous...something dangerous," she gestured around the control room urgently. "There must be a control to re-activate it. There must be some emergency power source that hasn't been destroyed that will turn it on ! Find it !" she instructed sharply.