HER MAJESTY’S NAVAL BASE CLYDE, Scotland (July 2, 2018) The Ohio-class ballistic missile submarine USS Alaska (SSBN 732) arrives at Her Majesty’s Naval Base Clyde, Scotland, for a scheduled port visit July 2, 2019. The port visit strengthens cooperation between the United States and United Kingdom, and demonstrates U.S. capability, flexibility, and continuing commitment to NATO allies.