美完成“金穹”导弹防御系统设计

Core Points - The Pentagon has completed the design plan for the "Iron Dome" missile defense system but has not disclosed cost details [1] - The U.S. Space Force official Michael Guetlein stated that the design work is finished, and the plan is currently under review [1] - The Congressional Budget Office estimates that the cost for the space-based interceptors alone could reach $542 billion over the next 20 years [1] - President Trump announced the development plan for the "Iron Dome" in May, stating that it will integrate with existing U.S. missile defense capabilities and aims to intercept missiles launched from around the world, including space [1] - The total estimated cost for the entire system is approximately $175 billion, with a goal for full operational capability within three years [1]