A Type 052D destroyer fired a YJ-20 hypersonic anti-ship missile into the air, Chinese media footage showed, displaying capabilities that pose defence challenges for the United States and its allies. A YJ-20 missile was launched from a vertical launch system (VLS) of the Type 052D destroyer, according to a video released on Wednesday by state broadcaster CCTV. It is not known when the video was taken. The YJ-20 missile, also known as a carrier-killer, debuted at Beijing’s large-scale military...