The Chinese military aired footage over the weekend of YJ-20 hypersonic anti-ship missile launches, as joint US-Philippines-Japan drills heighten tensions in the disputed South China Sea. China Military Bugle, a social media account run by the People’s Liberation Army, posted a video on Sunday of the PLA Navy conducting strike tests at sea, including multiple YJ-20 launches. The post did not specify when and where the missiles were fired. However, the footage was released two days after Beijing...