The dynamics of the strategic environment in the South China Sea are currently very worrying due to unresolved national border issues and the domination of claims over the South China Sea by the Chinese state with the nine dashed line. The placement of the armed forces of the disputing countries has an impact on the defense and security of regional countries. Indonesia as a country in a troubled area has a direct impact on the security of its territory as a result of the deployment of other countries' armed forces. For this reason, Indonesia must anticipate existing threats to the sovereignty and security of its territory by preparing all available defense resources.