Satellite images and on-board footage show how the race to build and fortify artificial islands in the South China Sea is nudging America and China closer to conflict. It's been ten years since the first large islands first started to appear but now some are fully operational military bases, with 3000-meter runways, weapons systems, and deepwater harbors. 0:00 - Intro 01:15 - China's Island Bases 03:02 - Hotspot: Second Thomas Shoal 05:47 - Reasons For China's Islands 07:49 - Who's Sea Is It