For nearly two centuries, Cuba's geographic position made it the linchpin of American strategy in the Western Hemisphere. Just 90 miles from Florida, the island sits at the convergence of the Gulf of Mexico, Caribbean Sea, and Atlantic Ocean – a maritime crossroads of hemispheric significance.
Cuba commands the Yucatán Channel, Windward Passage, and Straits of Florida – the three main exits from the Gulf of Mexico. Whoever holds Cuba influences Gulf shipping, energy transport, and naval access.
From the 1823 Monroe Doctrine to the 1962 Missile Crisis, U.S. policy has treated foreign military presence in Cuba as an existential threat. The Soviet missile deployment proved this fear wasn't theoretical.
Cuba's proximity enabled SIGINT (signals intelligence) collection targeting U.S. military, diplomatic, and commercial communications across the Southeast and Caribbean – a capability the USSR exploited at Lourdes base (1967–2001).
Pre-1959, U.S. companies dominated sugar, mining, utilities, and banking in Cuba. Protecting these investments drove interventionist policies from the 1898 Spanish-American War through the Batista era.
As the Caribbean's largest island with historic cultural ties across Latin America, Cuba's political orientation influenced regional dynamics – a reality both Washington and Moscow sought to shape.
While Cuba's geography hasn't changed, the strategic calculus has. Without a superpower rival basing there, the island's military significance has diminished – though its symbolic and migratory importance endures in U.S. policy.