A battery of Russian S-300 air defense missile launchers has been transported to Syria, Russia’s Defense Ministry said in a statement. Its sole purpose is to defend a Russian naval base and warships, the ministry added.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.