The Golden Dome plan aims to cover the country with three layers of air defenses, according to written Senate testimony by Northern Command leader Air Force Gen. Gregory Guillot.

Donald Trump unveiled plans for a “Golden Dome” missile shield system to protect the US against foreign attacks, saying it should be operational by the end of his second term.

Trump announced Tuesday that the missile system will be “fully operational” in less than three years and that the push will be led by Vice Chief of Space Operations Space Force Gen. Michael Guetlein....