Protecting the capital of a world superpower requires a special breed of soldiers. The Beijing Special Combat Brigade is one of People's Liberation Army's elite fighting units. Their operations and training have largely remained a secret, until now. For the first time, History Channel gains exclusive access to secret training camps to find out what it takes to transform ordinary men into Special Forces soldiers. We reveal their basic training, sniper training, Underwater and airborne teams as they battle their way to earn the badge to join the 'Whistling Arrows'.