CIMSEC – This article will focus on this latest coast guard and its transformation into one of the world’s largest from two aspects. The first aspect is the requirement for the development and rapid expansion of a China Coast Guard. This includes the contested claims in the South China Sea and the East China Sea and an examination of how a maritime law enforcement agency would fit into that context. The second aspect is the China Coast Guard’s application. This examination will unravel the roles and responsibilities of China Coast Guard, its legal authority, and its conduct of operations.