The PLA Navy, or People's Liberation Army Navy, is the naval branch of the People's Liberation Army of China. Established in 1949, it has grown significantly in size and capability, becoming one of the largest navies in the world. The PLA Navy's primary mission is to protect China's maritime interests and ensure national security. The PLA Navy operates various types of vessels, including aircraft carriers, submarines, and destroyers. It conducts training exercises and patrols in the South China Sea and other strategic regions. The navy also plays a crucial role in humanitarian missions and international maritime cooperation.