Massive naval drills by Russia and China in Japan's backyard have worried the United States and its allies in the far east. Moscow and Beijing are strengthening their strategic positions in the east as tensions rise in the region. The U.S. sees these exercises as a threat for two of its allies - Japan and Taiwan. U.S. drills with its allies, China's aggression in the South China Sea and North Korea's weapons tests have kept the region on the edge in recent months. Could the far east be a new flashpoint as war in Ukraine rages? Watch this video for more.