Israel’s Iron Dome missile-defense system is designed to intercept and destroy short-range rockets and mortars. During the recent conflict, it has been used to destroy more than 200 rockets bound for Israeli cities. Here’s how it works. Photo: Ilia Yefimovich/Getty Images More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #WSJ