A few seemed nervous and not so sure after Kyle pointed out that a nuclear weapon had been detonated only five times in anger since its invention over a century ago—the two dropped on Japan in 1945 and the three on Libya by the Israelis in 2004. Then the ork trooper, Douglas, brought up another disturbing point. Ever since the Great Ghost Dance that had broken the back of the old United States and forced the return of most of western North America to Native American control, there was no guarantee a nuclear weapon would detonate at all.