North Korea has launched more than a dozen missiles this year, including ICBMs. What are ICBMs, and why are they so hard to shoot down?

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PRODUCTION CREDITS:

Producer: Erin Dahlstrom

Editorial & Production Assistance: Ari Daniel

Editorial Review: Julia Cort

Special Thanks: Theresa Machemer & Ian Williams

© WGBH Educational Foundation 2017

MEDIA CREDITS:

Animations, Imagery, and Videography: CSIS Missile Defense Project AiirSource Google Earth West Ohio Sports Net U.S. Department of Defense / Daniel Brosam YouTube.com / Jesse Mason The Noun Project /Artem Yurov pexels.com pixabay.com shutterstock.com wikimedia.org

Music: APM