Why Gibraltar Matters to the US

The article highlights Gibraltar's role in U.S. power projection by detailing a rare port visit of an Ohio-class ballistic missile submarine, reportedly the USS Alaska. These submarines anchor the United States' nuclear triad, can carry up to 20 Trident II D5 missiles, and such public port calls are unusually transparent. Analysts speculated the visit could signal messaging toward Iran or Spain while underscoring the enduring strength of the U.S.–UK special relationship. Gibraltar's strategic location at the Mediterranean's entrance, its small size of 2.7 square miles and about 35,000 residents, further elevate its geopolitical importance.

The United Kingdom defends Gibraltar, with domestic affairs largely self-governed as London handles defense. Historically, the territory traces to Moorish control, with pivotal 15th through 18th century conflicts and the 1713 Treaty of Utrecht ceding it to Britain. Spain has long pressed to regain the Rock, employing diplomacy, blockades and other pressures, while the United States has used Gibraltar to project power in Atlantic and Mediterranean theaters. The visit thus exemplifies how a small territory can exert outsized influence on regional security and international alliances.