In January 2007, China conducted a successful demonstration of a trial to destroy a satellite with a ground-launched missile. China has been developing its own GPS independent from the U.S. system, clearly indicating its intention to challenge the United States’ dominance of space. The threat of cyber-attacks by terrorist nations and other terrorist actors targeting computers at power generation plants and air traffic control centers has also been increasing. The stage for national security is shifting to space and cyberspace.