evidence: But Hainan, China’s southernmost province, is also a strategically important island. And just like Hawaii, it is also home to key military bases. [...] Home to 10 million people, Hainan is about 20 times the size of O’ahu, the most populated island in Hawaii and home to Pearl Harbor. Hainan’s economy is among the smallest of all Chinese regions and provinces, with its GDP ranking only above far-flung Ningxia, Qinghai and Tibet. Agriculture contributes the most to its economy.