How Iron Dome, THAAD, & Patriot Work: Missile Defense Explained
Science ABC
Apr 9, 2026 11:01
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Chapters
How do missile defense systems actually intercept incoming missiles? In this video, we explain missile defense in simple words — from the "hitting a bullet with another bullet" challenge, to how satellites and radar track launches within seconds, the three phases of a ballistic missile's flight (boost, midcourse, terminal), the layered defense architecture used by Iron Dome, THAAD, Patriot, Arrow 3, and David's Sling, and why no missile defense system is ever 100% perfect.
Whether you're curious about how Iron Dome stops rockets mid-flight, how THAAD intercepts threats in space, or why hitting a Mach 10 warhead is one of the hardest problems in modern warfare, this beginner-friendly animated explainer covers it all.
CHAPTERS:
WATCH NEXT:
▶ Rocket Science: How Rockets Work – https://youtu.be/jI-HeXhsUIg
▶ How Does a Helicopter Work? – https://youtu.be/YJBhWVDArLo
▶ How Do Submarines Work? – https://youtu.be/-AiUnUbL5hA
KEY TOPICS COVERED:
• The three phases of a ballistic missile: boost, midcourse, and terminal
• How satellites detect missile launches using infrared heat signatures
• Trajectory ellipse: how radar predicts where a missile will land
• Layered defense architecture: Arrow 3 (space), THAAD and David's Sling (atmosphere), Iron Dome and Patriot (point defense)
• Hit-to-kill kinetic interception vs blast-fragmentation warheads
• Why cruise missiles require a completely different defense approach
• Why no missile defense system is ever perfect — and why redundancy matters
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REFERENCES:
https://www.mda.mil/system/system.html
https://csis.org/missile-defense
Voice Over: John Staughton (https://www.fiverr.com/jswildwood)
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Science & Technology
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