The Missile Defense Agency, which limped along last year without a Senate-confirmed three-star director for an extended period during which some of its top projects were nominated for budget cuts, is reinstating a post eliminated as part of a 2020 organizational overhaul: a deputy director who must be a two-star general or flag officer. The Fiscal Year 2024 National Defense Authorization Act, signed into law by the president before Christmas, includes a provision to ensure the agency -- which oversees...