evidence: In November, the Pentagon released its annual China Military Power Report, which included a number of maps to illustrate its updated assessments of the Chinese military's capabilities and reach. [...] Ground, naval, and air force units of the People's Liberation Army are based along China's southern coast, including on Hainan Island, which is home to major PLA bases and hosts a PLA Rocket Force missile brigade. The Southern Theater Command and the adjacent Eastern Theater Command would be involved in any Chinese military operation against Taiwan. Recent action by those forces around Taiwan, as well as ongoing Chinese activity in the South China Sea, has worried US commanders.