History of the Republic of China its remaining islands in Fujian as vital for any future campaign to defeat the PRC and retake mainland China. On 3 September 1954, the First Taiwan Strait Crisis began when the PLA started shelling Quemoy and threatened to take the Dachen Islands. On 20 January 1955, the PLA took nearby Yijiangshan Island, with the entire ROC garrison of 720 troops killed or wounded defending the island. On January 24 of the same year, the United States Congress passed the Formosa Resolution authorizing the President to defend the ROC's offshore islands. The First Taiwan Straits crisis ended in March 1955 when
Coast Guard Administration (Taiwan) from the National Security Bureau. Coast Guard Administration (Taiwan) The Coast Guard Administration of the Ocean Affairs Council (CGA; ) is charged with maintaining law and order, protecting the resources of the territorial waters of the Republic of China (Taiwan), which surrounds Taiwan, Penghu, Kinmen, Matsu Islands, Green Island, Orchid Island, Dongsha Islands, and Nansha Islands as well as providing a first line of defense along coastal areas against smugglers and illegal immigrants. The CGA is considered a civilian law enforcement agency under the administration of Ocean Affairs Council of the Executive Yuan, though during emergencies it may be incorporated