Trump proposes Golden Dome missile defense system estimated at $1.2 trillion over 20 years$1.2 trillion over 20 years
US President Trump issued an executive order on May 12, 2026, proposing the 'Golden Dome' missile defense system to counter advanced threats from peer adversaries, with a government watchdog estimating its cost at $1.2 trillion over 20 years.
The multilayered system would include thousands of space-based interceptors, new ground sites, and expanded radar and missile networks inspired partly by Israel's Iron Dome.
This massive investment signals a major escalation in US strategic defenses amid rising global missile threats.
US Official Perspective
Trump's executive order highlights the growing complexity of missile threats from adversaries developing next-generation weapons over the past 40 years. The Golden Dome aims to protect the US homeland through advanced space-based and ground systems. Officials view it as essential for national security in an era of intensified strategic risks.
Watchdog/Analyst Perspective
A government watchdog projects the system's four-segment architecture will cost $1.2 trillion, far exceeding initial estimates. It may include nearly 7,800 space-based interceptors and multiple new sites but could fail against all-out attacks. Analysts question its feasibility and value given the enormous expense.
- Reagan's 1983 'Star Wars' speech launched the Strategic Defense Initiative, inspiring space-based defenses but yielding few deployable technologies after billions spent.
- Israel developed Iron Dome with US funding exceeding $1.6 billion since 2011 to counter Hamas rocket barrages.
- The 1972 ABM Treaty once prohibited space-based missile defenses, limiting US programs until its US withdrawal in 2002.
