Britain's handover of Diego Garcia to Mauritius threatens U.S. strategic interests
Source: David Frum. "The Fortress We Gave Away - The Atlantic." March 2, 2026. www.theatlantic.com
The Gist
Britain is about to hand over control of a crucial U.S. military base to a small African country that's become too close to China. This is a bad idea because it puts America's most important Indian Ocean base at risk of being controlled by an unreliable partner.
Conclusion
The British-Mauritius treaty transferring sovereignty of the Chagos Archipelago (including Diego Garcia) to Mauritius poses significant risks to U.S. strategic interests and should be reconsidered
Premises
- Diego Garcia is America's most important military base in the Indian Ocean, offering crucial strategic positioning just hours from the Middle East
- Mauritius has become economically dependent on China, with extensive Chinese investment, trade agreements, and infrastructure projects making it an unreliable security partner
- The treaty grants Mauritius dangerous rights over U.S. security decisions by making them the sovereign power over the archipelago
- Mauritius's claim to the Chagos islands is historically weak, as Britain legally detached them in 1965 with Mauritius's acceptance and compensation
- Recent events demonstrate the risks: Britain's initial refusal to allow U.S. strikes on Iran from Diego Garcia shows how political changes can compromise military operations
Assumptions
- Military bases should be controlled by reliable allies rather than countries with competing geopolitical alignments
- China's growing influence in Mauritius represents a strategic threat to U.S. interests
- Historical legal arrangements (the 1965 detachment) should take precedence over later international court rulings
- Strategic military considerations should outweigh postcolonial guilt and international legal pressure