Trump's 'Golden Dome' Missile Defense System Estimated at $1.2 Trillion Over 20 Years

New reporting estimates Trump's proposed 'Golden Dome' national missile defense system would cost $1.2 trillion over 20 years — a generational defense spending commitment unveiled amid ongoing US-Iran and Ukraine conflicts. The system is envisioned as a comprehensive space-based and ground-based layered shield for the continental United States.