Jyn counter-argued: "My father gave his life so that we may have a chance to defeat this." She proposed a mission to steal the Death Star schematics from an Imperial installation, in order to properly target the flawed reactor: "Send your best troops to Scarif.Sarah Harding (Julianne Moore) who was already on the island.Hammond called the mission "our last chance at redemption" and explained how the island was "without fences, without boundaries, without constraining technology.Activate it, and we become nothing.Leave it, and its very presence will ensure that at least we remain something, and may become something better.This was the unlikely but secure location of the Social Security Administration, where his men proceeded to download multiple files for exploitative use.Realizing that Rogue had disappeared, Xavier used his massive Cerebro supercomputer invention (co-built with Magneto) with a helmet interface to locate mutant Rogue at a long distance away - at a train station.