[FPRI] Diego Garcia, an atoll and one of the largest of the 52 islands in the middle of the Indian Ocean, is geographically part of the Chagos Archipelago — a British Indian Ocean Territory (BIOT), which is one of the 14 overseas territories of the United Kingdom. However, its sovereignty is contested by Mauritius, an African island state in the Indian Ocean. Diego Garcia hosts a joint Anglo-American military base with a deep-water port capable of berthing aircraft carriers, a long runway that enables