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USA's Golden Dome Missile Defense System Explained | Space Weapons & Strategic ShiftUPSC Notes: U.S. 'Golden Dome' Missile Defense System


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Overview:

In May 2025, U.S. President Donald Trump unveiled the "Golden Dome," an ambitious missile defense initiative aimed at protecting the U.S. homeland from a spectrum of missile threats, including those launched from space. The system is modeled after Israel's Iron Dome but significantly expanded to incorporate space-based technologies. The project is projected to cost $175 billion over three years, with estimates suggesting it could rise to over $500 billion over two decades.


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Key Features:

Multi-Layered Defense: Designed to intercept missiles during all phases of flight—pre-launch, boost, midcourse, and terminal descent.

Space-Based Components: Incorporates satellites and space-based interceptors capable of neutralizing threats from or through space.

Technological Integration: Combines ground-based systems with advanced sensors, orbital lasers, and interceptors.

Operational Timeline: Aims to be fully operational by January 2029.



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Strategic Objectives:

Counter Advanced Threats: Addresses emerging missile technologies, including hypersonic and fractional orbital bombardment systems developed by adversaries like China and Russia.

Revival of Strategic Defense: Echoes the 1980s Strategic Defense Initiative, leveraging modern technological advancements to realize space-based defense capabilities.

International Collaboration: Canada has expressed interest in participating, indicating potential for broader North American defense integration.



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Challenges and Criticisms:

Financial Concerns: High projected costs raise questions about economic feasibility and budgetary priorities.

Technical Feasibility: Skepticism exists regarding the readiness of necessary technologies, particularly space-based interceptors, within the proposed timeline.

Arms Race Implications: Deployment of space-based weapons may escalate global tensions and trigger an arms race in space militarization.

Legal and Ethical Issues: Potential conflicts with international treaties governing the militarization of space.



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Relevance to UPSC Examination:

GS Paper II (International Relations): Implications of space militarization on global strategic stability and international treaties.

GS Paper III (Security): Advancements in missile defense technologies and their impact on national and global security architectures.

Essay Paper: Topics on the ethical, legal, and strategic dimensions of deploying space-based defense systems.



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Conclusion:

The "Golden Dome" represents a significant shift in U.S. defense strategy, emphasizing the integration of space-based technologies to counter evolving missile threats. While it aims to enhance national security, the initiative also poses complex challenges related to technological feasibility, international law, and global strategic stability.



USA's Golden Dome Missile Defense System Explained | Space Weapons & Strategic Shift

In this video, we break down the ambitious "Golden Dome" missile defense system proposed by the United States under former President Donald Trump. Designed as a futuristic counterpart to Israel's Iron Dome, the Golden Dome aims to protect U.S. airspace from advanced threats — including hypersonic missiles and space-launched attacks.

Key highlights:

What is the Golden Dome?

How it compares to Israel’s Iron Dome

Space-based defense technologies

Strategic objectives and global implications

Costs, feasibility, and criticisms


This is a major step in the militarization of space and a potential game-changer in global defense strategy. Understand its relevance for geopolitics, global security, and competitive defense innovations.

Timestamps: 0:00 – Introduction
1:30 – What is the Golden Dome?
3:45 – Components & Technology
6:10 – Comparison with Iron Dome
8:00 – Costs and Criticisms
10:15 – Strategic & Global Impact
12:00 – UPSC & Current Affairs Relevance

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