US joins Israeli campaign with strikes on three Iranian nuclear sites

Potential nuclear contamination risk if GBU-57 bombs release nuclear material at Fordo facility; broader regional conflict could displace populations and cause casualties.
Only American stealth technology could destroy what lay buried deep underground
The U.S. deployed its most advanced bombers and a never-before-used bunker-busting weapon to strike Iranian nuclear sites.

In the early hours of a June morning, the United States crossed a line long drawn in the sand, joining Israel in striking three Iranian nuclear facilities and committing American military force to a confrontation it had spent months trying to resolve through diplomacy. The deployment of the GBU-57 — a weapon never before used in combat — against the buried chambers of Fordo marked not merely a tactical decision but a civilizational wager: that destroying the infrastructure of a nuclear program is preferable to the world it might otherwise produce. Whether this act closes a dangerous chapter or opens a far more perilous one remains the question history is now being asked to answer.

  • The United States dropped its most powerful conventional bomb in combat for the first time, targeting deeply buried Iranian nuclear sites that no other nation's arsenal could realistically reach.
  • Iran's Supreme Leader had warned that American involvement would bring 'irreparable damage,' and Houthi forces immediately threatened to resume attacks on US vessels in the Red Sea, signaling the strikes may ignite a broader regional fire.
  • Trump reversed course within days — not weeks — abandoning two months of high-level diplomacy after Israeli officials and Republican allies convinced him a rare military window was closing fast.
  • Iran's nuclear agency defiantly pledged to continue its program, invoking the memory of 'nuclear martyrs' and framing the bombings as proof of its enemies' fear rather than its own defeat.
  • The US began evacuating American citizens from Israel for the first time since October 7, while experts warned that conventional explosives detonating near enriched uranium at Fordo could release radioactive contamination beyond the site.

On a Sunday morning in June, the United States crossed a threshold it had been circling for weeks. American B-2 stealth bombers dropped GBU-57 bunker-busting bombs — each weighing 30,000 pounds and never before used in combat — on the Fordo enrichment facility, while thirty Tomahawk cruise missiles fired from submarines struck Natanz and Isfahan. President Trump announced the strikes himself on social media before the Pentagon had issued any statement, declaring all aircraft safely clear of Iranian airspace.

The decision reversed Trump's stated position from just days earlier, when his press secretary had said he would decide within two weeks. Instead, he acted in two. Israeli officials and Republican lawmakers had apparently convinced him that a week of Israeli strikes had already degraded Iran's air defenses enough to create a rare and fleeting opportunity — one that might set back Iran's nuclear program for years.

Iran's Atomic Energy Organization confirmed the attacks within hours but signaled defiance, pledging that thousands of scientists would ensure the program continued and invoking the memory of what it called 'nuclear martyrs.' Netanyahu praised Trump's 'bold decision,' saying the United States had done what no other country on earth could.

The risks, however, were considerable. Iran's Supreme Leader had warned that American involvement would bring 'irreparable damage,' and Iranian-backed Houthi rebels immediately announced they would resume Red Sea attacks on American vessels. The US ambassador to Israel announced evacuation flights for American citizens — the first since October 7. Experts also raised the possibility that the GBU-57's deep-penetrating blasts could release enriched nuclear material from Fordo into the surrounding environment.

For months, Trump had publicly championed diplomacy, twice persuading Netanyahu to hold off on military action and engaging in direct high-level talks with Tehran. Those efforts had failed. Now, having delivered the force he once wielded only as a threat, Trump faced a harder question: whether Iran would absorb the strikes as a finished fact, or whether its promises of retaliation would draw the entire region into a conflict neither side could fully control.

On a Sunday morning in June, the United States crossed a threshold it had been circling for weeks. American stealth bombers dropped bunker-busting ordnance on three Iranian nuclear facilities—Fordo, Isfahan, and Natanz—marking the first time Washington had directly joined Israel's military campaign against Iran's atomic program. President Trump announced the strikes himself on social media before the Pentagon had issued any official statement, declaring the operation complete and all aircraft safely out of Iranian airspace.

The decision represented a dramatic reversal from Trump's stated position just days earlier. His press secretary had said he would make a final determination within two weeks. Instead, he acted in two days, apparently convinced by Israeli officials and Republican lawmakers that the moment was irreplaceable. Israel's preceding week of strikes had already degraded Iran's air defenses and damaged several nuclear sites, creating what military planners saw as an unprecedented opening to set back the Iranian program, possibly for years.

The centerpiece of the American assault was the use of the GBU-57 Massive Ordnance Penetrator—a 30,000-pound bunker-busting bomb that relies on sheer weight and kinetic force to penetrate deeply buried targets before detonating. According to reporting from Fox News, six of these bombs were dropped on the Fordo enrichment facility alone. The weapon, delivered only by B-2 stealth bombers in the American arsenal, had never been used in combat before. Thirty Tomahawk cruise missiles, fired from submarines positioned 400 miles away, struck the other two sites. The choice of the GBU-57 reflected a hard calculation: only American stealth technology and this particular bomb offered any realistic chance of destroying the heavily fortified underground nuclear installations.

Iran's Atomic Energy Organization confirmed the attacks within hours but signaled defiance. In a statement released Sunday, the agency pledged that despite what it called "evil conspiracies" by enemies, thousands of its scientists and experts would ensure the nuclear program continued. The organization invoked the memory of what it termed "nuclear martyrs," framing the program as a matter of national pride and sacrifice that could not be abandoned. Prime Minister Netanyahu, in a video message to Trump, praised the American president's "bold decision," saying the United States "has done what no other country on earth could do."

But the strikes carried profound risks. Iran's Supreme Leader had warned days before that American military involvement would "result in irreparable damage" for the United States. The Iranian Foreign Ministry spokesman had declared that any American intervention would be "a recipe for an all-out war in the region." Those were not empty threats. Iranian-backed Houthi rebels in Yemen, who had paused attacks on American vessels in the Red Sea under a May agreement, immediately announced they would resume such operations if the Trump administration joined the Israeli campaign. The U.S. ambassador to Israel announced the beginning of "assisted departure flights"—the first evacuation of American citizens from Israel since the October 7 Hamas attack that had sparked the Gaza war.

The strikes also raised environmental and humanitarian concerns that received little public attention. The International Atomic Energy Agency had confirmed that Iran was producing highly enriched uranium at Fordo. If the GBU-57 bombs penetrated the facility and detonated, there was a real possibility that nuclear material could be released into the surrounding area. Previous Israeli strikes at Natanz had caused contamination only within the site itself, but Fordo presented a different risk profile. The bomb was designed to drill deeper with each successive blast, and no one could predict with certainty what would happen when conventional explosives met enriched nuclear fuel deep underground.

Trump's pivot from diplomacy to military force had been swift. For months, he had publicly committed to a diplomatic track, even persuading Netanyahu twice—in April and again in late May—to hold off on military action and give negotiations more time. The administration had spent two months in direct, high-level talks with Iranian officials, hoping to convince Tehran to abandon its nuclear ambitions. Those efforts had failed. Trump had initially hoped that the mere threat of force would bring Iran's leaders to the negotiating table. Instead, he had now delivered the force itself.

The decision put Trump in a difficult political position. He had won the presidency partly on a promise to keep America out of costly foreign wars, and he had openly mocked the value of American military interventionism. Conservative voices, including pundit Tucker Carlson, were already suggesting that deeper involvement in the Middle East would betray the supporters who had voted for him precisely to end such entanglements. Yet Trump appeared to have made the calculation that the opportunity before him—with Israeli air defenses already softened and Iranian nuclear sites already damaged—was too significant to pass up. The question now was whether Iran would accept the strikes as a fait accompli or whether it would follow through on its promises of retaliation, pulling the region into a wider conflict that neither side could fully control.

Your bold decision to target Iran's nuclear facilities, with the awesome and righteous might of the United States, will change history. The U.S. has done what no other country on earth could do.
— Israeli Prime Minister Benjamin Netanyahu, in video message to President Trump
Despite the evil conspiracies of its enemies, with the efforts of thousands of its revolutionary and motivated scientists and experts, it will not allow the development of this national industry to be stopped.
— Iran's Atomic Energy Organization, in statement confirming attacks
La Conversación del Hearth Otra perspectiva de la historia
Inventor

Why did Trump move so fast? His own team said two weeks, and he struck in two days.

Model

Because Israel had already done the hard work. They'd spent a week degrading Iran's air defenses, and suddenly there was a window—maybe the only window—to hit the deeply buried nuclear sites with a weapon only America has. Once that window opens, waiting feels like losing.

Inventor

But he'd been trying diplomacy. What changed?

Model

The diplomacy failed. Two months of high-level talks went nowhere. At some point, you either accept that talking isn't working, or you escalate. Trump chose escalation.

Inventor

What about the risk? Iran said it would retaliate.

Model

That's the gamble. Iran has proxies—the Houthis in Yemen, militias in Iraq, others. They can make American lives difficult without directly attacking the U.S. mainland. And if they do retaliate directly, Trump has to respond again. You can see how this spirals.

Inventor

Is there a way out of that spiral?

Model

Only if Iran decides the damage is done and retaliation isn't worth it. Or if Trump's threat of further strikes is credible enough that Iran chooses restraint. But both sides have painted themselves into corners with rhetoric. Khamenei warned of irreparable damage. Trump said he knows where the Supreme Leader is hiding. Those aren't the words of people looking for an off-ramp.

Inventor

What about the nuclear material at Fordo? Could the bombs release it?

Model

That's the unspoken danger. The bomb is designed to penetrate 200 feet underground and explode. No one knows exactly what happens when that much force meets enriched uranium. Previous strikes at other sites contained the contamination, but Fordo is different. It's a risk they're taking.

Inventor

And if it goes wrong?

Model

Then you have a nuclear contamination event in the middle of a region already on the edge of war. That's the worst-case scenario nobody's talking about publicly.

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