As defense policy shifts under the Trump administration, the United States should remain committed to the submarine-focused AUKUS security partnership with Australia and the United Kingdom as long as U.S. industry can build enough attack boats to meet domestic needs first, the nominee for a senior Pentagon post indicated this week. Elbridge Colby, who has been tapped to serve as under secretary of defense for policy, told lawmakers he supports the partnership’s goal of delivering Virginia-class submarines to Australia, calling...