The US has begun to deploy its advanced THAAD anti-missile defense system in South Korea, despite angry opposition from Russia and China. The step comes after North Korea fired four ballistic missiles toward Japan as part of an exercise targeting US bases there. br br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.