The Construction Plan of Thor has been shrouded in secrecy all along. The Umojan Patriotic Legion was the first to detect that Plan. They found that the federal government intended to develop a new type of terrifying weapon. When Umojan learned about the rumor that the huge Simens Military Factory on Korhal IV was strictly sealed off by the federal government, they were very curious about what major thing could lead the federal government to detain all the workers in the factory to prevent leaks.