Greg Myre

difficult to do that.

But Pete Hegseth, the defense secretary at the Pentagon, said, we're hanging around.

We're not going anywhere.

We'll be there.

And if called on, we'll be ready to jump in again with more military action.

No, it has not.

We don't have a lot of details.

We've seen a couple mentions of the US and Israel hitting nuclear facilities, but no additional details.

What we do know from the bombing that the US and Israel carried out last June, it did do significant damage to Israel.

Iran's vast nuclear facilities, which are spread around the country in many different places.

And the most important element is this highly enriched uranium, about 1,000 pounds enriched to 60%, not quite to weapons grade, but pretty close.

This is really the key component.

Much or all of it seems to be buried in a nuclear facility around the city of Isfahan.

But we don't know exactly how easy it would be to get to that.

Even the Iranians can get to that right now because that place was hit in the attacks last year.

What does seem pretty clear is that the program has not been eliminated completely.

And this uranium in particular is very, very valuable.

And while we heard all sorts of talk and speculation about a possible U.S.

military operation that

There was really the feeling that this was just incredibly difficult to go in, try to dig out a highly sensitive radioactive material buried deep underground, which the Iranians would presumably be guarding pretty carefully.