Basically, they are the armed special forces in Taiwan, which includes the Army, Navy, Air Force, and Military Police Force. They have actually been around since 1924, when they used to be called the National Revolutionary Army. In the ’70s, they were tasked with retaking mainland China from the communist People’s Republic of China but now they deal with defending the islands of Taiwan, Penghu, Kinmen, Matsu, and others from the People’s Liberation Army of the People’s Republic of China (PRC).