U.S. Northern Command is proposing a sweeping new framework to protect the homeland from emerging missile and air threats, advancing a proposal that could be the foundation for the Trump administration's evolving "Golden Dome for America" initiative. Testifying before the House Armed Services strategic forces subcommittee on April 9, Gen. Gregory Guillot, who leads both NORTHCOM and the U.S.-Canadian North American Aerospace Defense Command, outlined a “three-dome” approach to defending the United States from a range of advanced threats, including...