About 450 Cold Warera Minuteman nuclear missiles were only supposed to last 10 years. But now, these ICBMs have defended the U.S. for more than 50. The Air Force is planning to spend $130 billion on replacing them to boost the U.S. nuclear defense strategy with a new modern iteration—the Sentinel missile.

WSJ explains the science and strategy behind nuclear missiles and the logistical challenges of the Sentinel project.

Chapters:
0:00 Expired ICBMs
0:42 The U.S.’s nuclear triad
3:12 Weaknesses
5:00 What’s next for the Sentinel project?

Equipped
Equipped examines military innovation and tactics emerging around the world, breaking down the tech behind the weaponry and its potential impact.

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