Welcome back now to an NBC News exclusive, raising new questions about the claimed effectiveness of last month's US air strikes on Iran's nuclear facilities. Five current and former US officials tell NBC News that the American strikes destroyed only one of the three nuclear sites targeted, according to a new assessment. Two current officials say that US authorities believe the attack on Fordo set back enrichment capabilities at the crucial facility by as much as 2 years.But according to this new assessment, ...

Here's what happened when Fox News's Pentagon reporter Hex's former colleague Jennifer Griffin asked the incredibly important and respectful and relevant question whether the Iranians moved uranium out of the Fordo site. Do you have certainty that all the highlyenriched uranium was inside the Ford mountain or some of it. Because there were satellite photos that showed more than a dozen trucks there two days in advance.Are you certain none of that highlyenriched uranium was moved. Of course, we're watching e ...

[Music] Everyone seems to agree that there was a direct strike that reached underground somewhere, but we do not know whether all of the equipment in Fordo was damaged or destroyed. And we do not know if the site was put out of action. [Music] If Iran decides we're going to try and build a bomb, they need file material that they can then fairly quickly and easily uh turn into weapons grade material.But without that stockpile of material, it's very very difficult for Iran to divert enriched uranium in order ...

[Music] What's really left of Iran's nuclear program. And could the country still develop a nuclear weapon. President Donald Trump has doubled down on claims that American strikes delivered monumental damage to Iran's three declared nuclear sites.The US used so-called bunker busting bombs to strike deep underground at the heavily fortified uranium enrichment facility at Fordo. Now, satellite imagery does show some damage, but independent analysis is yet to verify the extent. So, what has the latest round of ...

Back to our top story this hour and a stunning show of military strength by Israel striking Iran with 330 munitions over 100 sites dropped by 200 fighter jets according to Israel's military spokesman. Iran has since responded directing 100 drones toward Israel. Joining us now NBC News senior national security correspondent Courtney Cubie.Courtney, we just laid out some of those details from last night's attack. What does all this suggest about Israel's military capabilities and how sophisticated are their w ...