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The idea that they're called hypersonic weapons is a brilliant marketing move. Because people hear hypersonic and they say, you know, these things hypersonic means running a And people don't realize that even short-range ballistic missiles move that fast,

and the long-range ballistic missiles can move five to four to five times that fast. You're listening to War College, a weekly podcast that brings you the stories from behind the front lines.

Here are your hosts. Hello and welcome to war college. I am your host Matthew Galt. From the Intermediate Range Nuclear Forces Treaty to probably

New Start, all the old treaties are failing. Nuclear weapons are back in the public consciousness

in a big way, and old Cold War ideas that we

once thought relegated to the dustbin of history are back.

One of those are so-called low-yield nuclear weapons.

The U.S. Navy recently fielded some of these SLBMs for the first time on its nuclear capable

submarines.

Are these weapons actually a game changer?

When it comes to nukes, what's the difference between yields anyway?

Here to help us figure out how much trouble we're in is David Wright. Wright is a senior

scientist and co-director of the Global Security Program at the Union of Concerned Scientists.

David, thank you so much for joining us.

I'm glad to be here.

All right, sir. So, tell us about these new weapons that have been loaded onto US submarines, these

so-called low-yield nukes.

...