Diego Garcia is a pivotal Indian Ocean military hub The atoll hosts a joint U.K.–U.S. base since the 1970s that supports long‑range bombers, nuclear submarines and U.S. Space Force tracking, giving the West guaranteed access to Indian Ocean trade routes [1].
China has built deep economic ties with Mauritius Beijing signed a free‑trade pact in 2019, provided $1.4 billion in loans and grants from 2000‑2023, and a senior Huawei official called the island a future “showcase,” positioning Mauritius as a strategic foothold for influencing the Chagos Archipelago [1].
Britain agreed to hand Chagos sovereignty to Mauritius while keeping the base After the International Court of Justice ruled British administration unlawful in 2019 and a UN vote demanded transfer, Prime Minister Keir Starmer signed a 2025 agreement granting Mauritius sovereignty but preserving a 99‑year lease for the U.S.–U.K. installation [1].
The Trump administration pressured the sovereignty deal On February 18, President Donald Trump posted on Truth Social demanding that Starmer allow Iranian strikes from Diego Garcia and warned against the transfer, while the U.S. scheduled a 2026 Africa Business Summit in Mauritius to underscore its interests [3][1].
India is countering Chinese influence in the Indian Ocean New Delhi is courting island states such as Mauritius, the Maldives and Seychelles with development partnerships, arguing that Chinese activity threatens regional balance even as it supports Mauritian claims to Chagos [1].
U.S. actions in Iran and Venezuela exposed limits of China’s Belt and Road The removal of Chinese‑backed regimes eliminated $60 billion of debt‑for‑oil investments and cut Iranian oil imports of 1.38 million barrels per day, prompting Chinese analysts to acknowledge that infrastructure cannot replace political stability [1].