After the war in Korea started, in June 1950, the U.S. Seventh Fleet was ordered to protect these islands, and in 1955 the U.S. Congress re-authorized this protection. These are 64 islands at high tide and 100 islands at low tide. Here is a naval base and an airport. In 1952 it was included as one of Taiwan's sixteen provinces. Its 1978 population has been estimated at 112,000.