ANALYSIS: Down-Blending Under IAEA — America's Retreat on the Iranian Nuclear Issue

Introduction: A Historic Concession Dressed Up as Victory

The word that changes everything: "down-blending"

On June 18, 2026, Donald Trump signed at the Palace of Versailles a memorandum of understanding with Iran — the same place that ratified the end of the First World War, a conflict often cited as a diplomatic disaster. The symbol is weighty. At the heart of this fourteen-point document, a technical formula that few commentators have dissected with the attention it deserves: the on-site down-blending of Iranian enriched uranium, under the supervision of the International Atomic Energy Agency (IAEA). Behind this expression lies a fundamental shift in the American position, one that merits rigorous analysis.

For months, Washington had demanded that Iran physically transfer its stocks of enriched uranium out of its territory. This red line was presented as non-negotiable. Yet the memorandum signed at Versailles now stipulates that the minimum acceptable method will be down-blending — the dilution of enriched uranium — on Iranian soil, under IAEA supervision. This is not an American victory. It is a retreat dressed up as a compromise.

A 110-day conflict ending with open questions

The war triggered on February 28, 2026 by the American-Israeli strikes on Iran lasted 110 days, sowing considerable destruction and triggering a global energy crisis. The agreement that ends it is, in the words of analyst Maneli Mirkhan interviewed by Al Jazeera, a framework to initiate negotiations, not their conclusion. The sixty days following the signing are supposed to allow for the resolution of essential questions: what to do with the 440 kilograms of uranium enriched to 60% purity Iran holds? What will be the extent of nuclear disarmament? What level of enrichment will be tolerated?

All these questions are deferred to a later date. What is known today is that Iran obtained immediate economic guarantees — free sale of its oil, release of frozen funds — in exchange for a promise never to develop the atomic bomb. A promise it has been repeating for decades without anyone in the West truly believing it.

What Is Down-Blending? Chemistry in the Service of Politics

From weapons-grade uranium to civilian uranium: a physical dilution

Down-blending — or isotopic dilution — consists of mixing highly enriched uranium with depleted or lightly enriched uranium in order to reduce the concentration of the fissile isotope U-235. Technically, it is an irreversible process: once diluted, uranium cannot easily be brought back to its initial concentration. This is one of the rare aspects of the file that reassures experts. As Al Jazeera notes in its June 18 analysis, down-blending is presented as a physically definitive process.

Iran holds approximately 440 kg of uranium enriched to 60% purity. For reference, civilian nuclear energy requires an enrichment of only 3 to 5%. The atomic bomb requires 90%. Sixty percent is what the IAEA officially qualifies as a weapons-grade level, according to the AP news agency. In other words, Iran is the only country in the world enriching uranium to this level without an officially recognized weapons program. Down-blending would bring this stock down to 3.67% — precisely the level that Tehran itself had proposed during the informal Geneva discussions on February 26, 2026, two days before the outbreak of hostilities.

An Iranian proposal recycled as an American concession

This is where the paradox becomes striking. On-site down-blending, presented as an American victory in the talking points sent by the White House to Republican elected officials, was in reality Iran's initial position. As the Guardian underscores in its June 17 analysis, this looks less like an Iranian concession than an American compromise. Washington had demanded the export of uranium out of Iranian territory. Iran had systematically refused. The final text adopts the Iranian position.

The head of the IAEA, Rafael Grossi, had indicated in early June to NPR that several options were on the table during February discussions, but that the strikes had cut these negotiations short before a decision could be made. Now, the agreement picks up exactly where Iranian diplomats had wanted to stop. For a country that claims to have won a 110-day war, this is a troubling result.

The American Position Shift: From an Absolute Demand to a "Minimum Acceptable"

The red line that moved

In May 2026, the New York Times reported that the United States had obtained an agreement in principle from Iran on the abandonment of its highly enriched uranium stocks — but that the modalities of this abandonment had not been specified. This was the key problem. Washington wanted the physical transfer of uranium out of Iranian territory, to the United States or a third country. Tehran categorically refused, arguing this would constitute an unacceptable capitulation symbolically on the domestic level.

The final text of the memorandum, of which NPR obtained a copy on June 18, is unambiguous. Paragraph eight stipulates that both nations agreed to resolve the management of stored enriched materials through a mutually established mechanism, with the minimum method being on-site down-blending under IAEA supervision. The word "minimum" is the one that concentrates the entire issue: it means the United States failed to impose more. They accepted the floor, not the ceiling.

The sixty-day pressure: an artificial timeline

The memorandum gives both parties sixty days to negotiate a definitive agreement. It is in this window that vital questions must be resolved: the level of future authorized enrichment, the fate of centrifuges, IAEA verification, and the concrete implementation of down-blending. Trump specified, according to CBS News, that he could resume military strikes if Iran did not respect its commitments within sixty days. But this threat masks a reality: America has just emerged from a 110-day war with considerable human and economic costs. Returning to combat immediately would be politically catastrophic.

The fragility of this timeline appeared within the first days. NPR reported on June 19 that Vice President JD Vance had cancelled his trip to Switzerland to formally sign the agreement, as Iran had for its part suspended discussions citing ongoing Israeli bombardments in Lebanon. Less than a week after the Versailles signing, technical negotiations were already at a standstill. The sixty-day countdown had begun in chaos.

Iran's Commitment Never to Develop the Weapon: A Promise Without a Mechanism

A familiar formula emptied of substance

Paragraph eight of the memorandum contains a key phrase: "The Islamic Republic of Iran reaffirms its commitment to not acquire or develop nuclear weapons." This formulation is almost word for word identical to that of the 2015 JCPOA, which Trump himself had called "disastrous" and "a one-sided deal." In the JCPOA, Iran had committed never, under any circumstances, to seek to develop an atomic bomb. Eleven years later, Tehran makes the same promise — with far larger highly enriched uranium stocks than in 2015.

The essential difference lies in the verification mechanism. The JCPOA comprised hundreds of pages of technical details, enhanced IAEA inspections, protocols for access to declared and undeclared sites. The current memorandum, as CBS News underscores, is a one-and-a-half-page document compared to the JCPOA's 159 pages. The implementation mechanisms will be defined in the final agreement — which does not yet exist. The commitment exists; the framework that would give it weight does not.

The precedent of decades of Iranian "reaffirmations"

It is crucial to recall the context: Iran has been repeating for decades that it is not seeking to acquire the atomic bomb, invoking religious motives — notably a fatwa from the Supreme Guide. This argument has often been presented to the West as a moral guarantee. It has never convinced the West, and rightly so. The IAEA itself indicated in its June 2026 report, analyzed by the Foundation for Defense of Democracies, that it found itself in a situation of near-total loss of surveillance over Iranian nuclear sites, unable to verify stocks, centrifuges, or enrichment activities since the June 2025 strikes.

Iran's promise never to develop the bomb therefore arrives in a context where the IAEA cannot even verify the current state of the program. As Ali Vaez of the Crisis Group told NPR, negotiators will first need to extract uranium from under the rubble of bombed sites, ensure its exact inventory, and only then speak of down-blending. If even ten kilograms are missing, it triggers an international crisis. The chasm between political promise and operational reality is vertiginous.

The JCPOA of 2015: The Ghost Trump Cannot Exorcise

What the JCPOA established — and why Trump destroyed it

The Iranian nuclear deal signed in 2015 under the Obama administration — the Joint Comprehensive Plan of Action — was, despite its recognized imperfections, a document of remarkable technical rigor. It capped Iranian enrichment at 3.67% for fifteen years, confined it to the Natanz site, limited the number of centrifuges, and imposed enhanced IAEA inspections. In exchange, economic sanctions were lifted. Iran was complying with its commitments — inspectors confirmed it — when Trump, in 2018, unilaterally renounced it, deeming the ten- and fifteen-year sunset clauses made it an unacceptable temporary agreement.

This decision had considerable consequences. Stripped of the deal, Iran gradually lifted all the limits the JCPOA imposed on it. By 2026, as NPR recalls, its nuclear program is far more advanced than in 2015: next-generation centrifuges, sixty percent enrichment, considerable stocks. Trump wanted a better deal. He obtained a far more dangerous situation, before finding himself signing a memorandum that reprises elements of the JCPOA — without the technical rigor that gave it its value.

Accusers in tight ranks: the historical irony of a return to square one

The comparison between the 2026 memorandum and the 2015 JCPOA is at the heart of Republican criticism. According to NPR on June 21, hawks within Trump's own base contend that the deal is no better than Obama's. Iran retains its ballistic missile program, unmentioned in the memorandum. It obtains immediate economic benefits — oil sales, release of frozen funds — before nuclear questions are even truly settled. And the details of this settlement are referred to future negotiations with no guarantee of success.

The Wall Street Journal editorial, cited by NPR, was scathing: "This is a recipe for surrender on Iranian terms." The contrast with the years when Trump proclaimed he would get the best deal in history is striking. The Obama administration, with six international partners (France, United Kingdom, Germany, China, Russia), had negotiated for months a 159-page text. The Trump administration produced a one-and-a-half-page document, negotiated bilaterally with Pakistan as mediator, that defers crucial decisions.

The Skepticism of the Hawks: On Both Sides of the Political Chessboard

The American right shoots at Trump

Louisiana Republican Senator Bill Cassidy described the deal as "the worst foreign policy blunder in decades," according to the BBC on June 18. Texas Senator Ted Cruz targeted the 300-billion-dollar reconstruction fund promised to Iran: "Giving billions of dollars to theocratic lunatics who want to murder us is not a good idea." These criticisms come from elected officials from Trump's own coalition — figures who have until now provided him with unfailing support. Their distancing reveals the extent of the doubts running through the American right about this deal.

Nikki Haley, former United Nations ambassador under Trump, denounced on social media the immediate exemptions on Iranian oil sales, writing: "If true, Iran wins. There should be zero sanctions relief on day one." Her reaction summarizes the Republican dilemma: supporting Trump while acknowledging that the deal offers Tehran considerable economic advantages before nuclear issues are resolved, thereby relinquishing one of the only leverage points the war had generated.

The Democratic left, skeptical for different reasons

Democratic Senator Jeanne Shaheen of New Hampshire declared the deal was "very bad," arguing it did not address Iranian support for armed regional groups like Hezbollah or the ballistic missile program. These gaps are real and documented. The memorandum does not address the missile program, which was a major criticism of the JCPOA. Nor does it provide a mechanism to address Iranian funding of regional proxies.

Democratic Representative Adam Smith, interviewed by NPR on June 22, was particularly lucid: "Any current deal will probably be less favorable than the JCPOA." This statement coming from a Democrat — who generally defends Obama's diplomatic legacy — is revealing. The JCPOA, often criticized by the right, is now presented as the difficult standard to meet. This is a complete inversion of the narrative framework of the past ten years.

The IAEA in Impasse: Supervise What, Exactly?

A year of nuclear blindness since the June 2025 strikes

One of the most worrying dimensions of this deal is the IAEA's actual capacity to supervise what it is supposed to supervise. Since the American-Israeli strikes of June 2025 on Iranian nuclear sites, the IAEA has lost access to the bulk of the country's nuclear facilities. Its June 2026 report, analyzed by the Foundation for Defense of Democracies, is damning: the agency cannot verify either the suspension of enrichment activities, the size or location of enriched uranium stocks, or the status of centrifuges.

Rafael Grossi himself acknowledged to NPR in early June that his inspectors had visited only secondary laboratories and minor facilities since the strikes — not the main sites like Natanz, Fordow, or Isfahan. The IAEA knows there were approximately 440 kg of uranium enriched to 60% before June 2025 — but does not know where these materials are today, whether they have been displaced, damaged, or used. Asking it to supervise a down-blending of materials it cannot locate is, at best, optimistic.

The logistical and security challenge of post-war down-blending

As Ali Vaez of the Crisis Group explains in his interview with NPR on May 25, the operational challenge is considerable. Uranium is located under the rubble of bombed sites, surrounded by unexploded munitions. Sites must first be secured, materials extracted, inventoried — knowing that the disappearance of even ten kilograms would trigger an international crisis. Then comes the dilution itself, which requires specialized equipment, time, and meticulous verification at each step. This process, according to Vaez, could take weeks for negotiation and months for implementation.

Operational reality contrasts sharply with political promise. The memorandum says down-blending will be the minimum method. It does not say when it will begin, at what rate, according to what verification procedures, or what the consequence will be if Iran does not proceed within the allotted time. These gaps are not minor technical details — they are the central questions of a serious nuclear agreement.

The Immediate Economic Advantages Granted to Tehran

Iranian oil flows again before the nuclear issue is settled

One of the most controversial aspects of the deal is the immediate exemption on Iranian oil sales, granted upon the memorandum's signing. As AFP, relayed by international agencies, details, the American Treasury Department will grant waivers for exports of oil, petroleum products, and their derivatives, immediately following the signing. Formal sanctions are not lifted, but the exemptions have the same practical effect: Iran can sell its oil on international markets.

Critics argue, as the Guardian of June 17 reports, that Washington has just relinquished one of its only remaining economic pressure levers before negotiations on the nuclear issue have even truly begun. Iran obtains its oil revenues — estimated at tens of billions of dollars annually — while essential questions are referred to the following sixty days. The administration's defense is that Iran was already exporting its oil to China in circumvention of sanctions, and that these sanctions only gave Beijing a massive discount on its energy purchases. This argument is economically relevant but politically difficult to sell.

The $300 billion fund and the burden of hypocrisy

The memorandum provides that the United States and its regional partners will develop a plan of 300 billion dollars for the reconstruction and economic development of Iran. The American administration was quick to specify that the United States will not contribute directly to this fund — it will be Gulf partners, potentially the United Arab Emirates. But this clarification does not suffice to dispel unease. Trump had vigorously criticized Obama for having unfrozen $1.7 billion in Iranian assets under the JCPOA. Today, it is a promise of 300 billion — even if financed by others.

Ted Cruz did not miss the opportunity to underscore the irony. The burden of hypocrisy, as AFP notes, weighs on the Trump administration. For its defenders, these economic concessions are the unavoidable price of a peace. For its detractors, they represent an economic capitulation before the nuclear question — the declared reason for the war — is resolved. The sequencing chosen favors Iran at every step.

Iran, a Permanent Strategic Threat to the West

A regime that has not changed its nature

It is essential not to lose sight of what the Islamic Republic of Iran is behind the diplomatic formulas. It is a regime that funds Hezbollah in Lebanon, militias in Iraq and Syria, the Houthis in Yemen. It is a regime that has supported groups that attacked American soldiers, Israeli civilians, and Arab populations across the region. It is a regime whose leaders have publicly repeated their calls for the destruction of Israel. None of these realities are addressed in the memorandum. Proxy support, the ballistic missile program, terrorism financing — all are referred to a "parallel initiative" with Gulf countries, without a timeline or binding mechanism.

Senator Shaheen is right on this point: a deal that addresses only the nuclear dimension while ignoring Iran's conventional and asymmetric capabilities leaves the bulk of the threat intact. An Iran without an atomic bomb but with its ballistic missiles, its armed proxies, and its Quds Force special forces remains a first-order strategic threat to Israel, to moderate Arab states, and to Western interests in the region.

The threat of a cascade proliferation

The precedent created by this deal deeply worries non-proliferation analysts. If Iran can enrich uranium to 60% for years, trigger a war with the United States and Israel, and come out of it with a vague memorandum and immediate economic advantages, what message does this send to other states that want to develop nuclear capabilities? Saudi Arabia has already indicated it wants to enrich its own uranium if Iran has the right to do so. Egypt, Turkey, the UAE — all candidates for a regional nuclear proliferation whose prospect should chill any serious analyst.

Mark Dubowitz of the Foundation for Defense of Democracies stressed to NPR in June that any new deal should require Iran to completely dismantle its nuclear sites at Natanz, Fordow, and Isfahan — not merely put them on standby. These sites were damaged by strikes but remain operational. Leaving them in place is preserving Iran's capacity to reconstitute its nuclear program at a pace that a few months would suffice to achieve.

Washington's Position: Between Pragmatism and Abdication

The Trump administration's arguments for defending the deal

The White House defended the deal with well-oiled talking points, distributed to Republican elected officials and reported by Politico on June 16: "Iran will never have a nuclear weapon" and energy prices are falling. Defense Secretary Pete Hegseth insisted this deal would be different from the JCPOA because "the military option will remain on the table." Trump himself, in a statement at the G7 in France on June 16 reported by NPR, declared: "The only thing that really matters to me is that Iran will never have a nuclear weapon. That's clear and unequivocal."

This line of defense has the merit of simplicity. But it carefully avoids the hard questions: how will this prohibition be verified? What mechanism will allow a violation to be detected and punished? What will happen if, at the end of sixty days, Iran has not conceded on the terms of a definitive agreement? These unanswered questions constitute the gaping void at the center of a deal presented as historic.

The pragmatism of the pro-deal camp: the war was not better

It would be intellectually honest to recognize the arguments of the deal's defenders. The 110-day war cost American lives, billions of dollars, and a global energy crisis. It failed to definitively destroy the Iranian nuclear program, as the persistence of the Natanz and Fordow sites attests. An imperfect deal that stops the fighting and creates a framework for negotiations is better than an endless war, say its defenders. Analyst Aaron David Miller of the Carnegie Endowment for International Peace reminds NPR that Trump wanted at a minimum a twenty-year moratorium on enrichment — and it is this objective that must guide the sixty days of negotiation.

This pragmatism has its legitimacy. But it must not serve as an excuse for a structurally weak deal. The question is not to choose between war and this specific deal — it is to know whether this specific deal was the best one could obtain. In view of the sequencing that favors Iran, the gaps on missiles and proxies, and the absence of a clear verification mechanism for down-blending, the answer is uncertain.

Israel and Regional Allies: The Great Absentees From a Bilateral Deal

Netanyahu under pressure, Israel not a signatory

One of the most striking facts about the memorandum is that it was negotiated and signed bilaterally between the United States and Iran, with Pakistan as mediator. Israel — which actively participated in the June 2025 strikes and whose security is directly threatened by the Iranian nuclear program — is not a party to the agreement and has not endorsed it. According to CBS News, Israel is described as not having endorsed this deal, and Trump himself expressed concerns that Prime Minister Benjamin Netanyahu might complicate peace efforts by continuing bombardments in Lebanon.

This situation is paradoxical. The United States waged a war partly in the name of Israel's security — to neutralize the Iranian nuclear threat. They are now signing a deal that defers the treatment of that threat, without formal consultation with Israel. Netanyahu faces considerable internal pressure to reject this deal, and tensions between Washington and Tel Aviv constitute a destabilizing variable for the sixty days of coming negotiations.

Gulf monarchies: guarantors of a deal they did not build

Gulf countries — Saudi Arabia, the UAE, Qatar — are presented as potential funders of the three-hundred-billion-dollar Iranian reconstruction fund. They are also involved in the parallel initiative on non-nuclear questions. But these states did not participate in the memorandum negotiations, have not signed a document, and have made no formal commitments. They are being asked to write the check for a deal they did not negotiate, for a power that funds the groups threatening them — the Houthis, notably, have targeted Saudi territory for years with Iranian weapons.

This heteroclite diplomatic arrangement — bilateral US-Iran deal, Israel excluded, Gulf solicited after the fact, IAEA charged with a near-impossible task — reveals a deal built in haste, without a solid diplomatic architecture. As NPR's correspondent in Lucerne observed, Vance did not even stay on site to launch technical negotiations. Form often says something about substance.

What Experts Say: Between Cautious Hope and Alarm

The optimists: a window opened despite everything

Some analysts see a real opportunity in the memorandum, despite its gaps. The cessation of fighting is a gain in itself. The fact that Iran has formally reaffirmed its non-proliferation commitment in a document signed by its president creates a legal and political reference point for future negotiations. The principle of down-blending under IAEA supervision, even if vague, introduces into the deal a disarmament mechanism that did not exist before the war. Eric Brewer of the Nuclear Threat Initiative stressed to NPR that any final deal will need to be considerably more ambitious than the JCPOA, given Iran's technological advances since 2018 — but that the basis exists to build that deal.

The open-window argument also rests on economics: Iran needs sanctions lifted to rebuild its war-devastated economy. This necessity creates an incentive to go beyond the minimum. If the sixty days are used rigorously, if American negotiators demand the concrete commitments they should have obtained before signing, the deal could evolve toward something more substantive. This is a colossal "if," but not impossible.

The pessimists: the structures of disagreement remain

Ali Vaez of the Crisis Group summarizes the analytical pessimism with a striking economy of words: "Nothing significant has yet been negotiated regarding the nuclear program." The memorandum addresses neither centrifuges, nor enrichment sites, nor the level of future authorized enrichment — which was nonetheless the principal reason cited by the United States for triggering the war. As he recalls to NPR, the deep tensions that led to the conflict — structural mistrust, divergent interests, pressure from hardliners on both sides — did not disappear with the signing of a memorandum.

The fundamental disagreements are intact. Iran wants to retain the right to enrichment for its civilian needs. The United States, in its most ambitious version, wants a twenty-year moratorium on all enrichment. Between these two positions, the negotiating space is narrow. And the sixty days provided — already disrupted in the first week — can easily elapse without result, leaving both parties facing the same question as before the war, with a partially rebuilt Iranian economy and a nuclear program still in place.

Trump's Role: Necessary Evil or Overmatched Negotiator?

The rhetoric of firmness, the reality of compromise

Donald Trump had promised a deal "far better than the JCPOA," obtained through maximum military pressure. He had launched a war. He had imposed draconian economic sanctions. He had, in his own words, done everything to force Iran into submission. The result is a one-and-a-half-page memorandum that defers crucial decisions, concedes on the demand for uranium export, and promises massive economic benefits to Tehran. Trump signed at Versailles — a symbol of imperial grandeur — a document that looks more like a truce than an Iranian capitulation.

It would be simplistic to conclude that Trump failed completely, however. The cessation of fighting is real. The partial and fragile reopening of the Strait of Hormuz is a gain for the world economy. Iran's formal commitment not to develop the nuclear weapon now exists in a document signed by its president. These are not nothing. But they are only worth what the sixty-day process can build on top of them. And for now, that process is in peril.

The Trump doctrine: the military option as a permanent lever

The most coherent defense of the deal by the Trump administration rests on a different premise from that of the JCPOA. Where Obama sought to integrate Iran into a binding multilateral framework, Trump maintains a permanent military threat as the ultimate guarantee. Pete Hegseth said it clearly: this is the "militarization of diplomacy" — the deal holds because Iran knows the bombers can return. This is a risky doctrine, dependent on the continuing credibility of the threat and the political willingness to use it. But it is a doctrine, not simply chaos.

It remains that in this approach, everything rests on the solidity of the sixty days. If negotiations fail and the Trump administration chooses to return to strikes, it will be the third time in less than a year that the Middle East enters a cycle of violence and escalation. The world economy — oil prices, Gulf stability, security of maritime routes — cannot indefinitely absorb these repeated shocks. The cost of the sixty-day failure will also be colossal.

Conclusion: The West Cannot Afford a Facade Agreement

What the sixty days must absolutely produce

The June 18, 2026 deal can still be saved — but this requires the sixty-day negotiations to produce concrete and verifiable commitments on three non-negotiable points. First point: the effective implementation of down-blending, with a precise timeline, IAEA inspections at each step, and automatic sanctions in case of non-compliance. Second point: an agreement on the future authorized level of enrichment — ideally zero significant enrichment, or at a minimum a ceiling of 3.67% with a limited number of centrifuges under supervision. Third point: the dismantlement or rendering inoperable of the principal nuclear sites, not merely their suspension.

Without these three elements, the current memorandum will be to history what the Munich Agreements of 1938 were in their time: a peace purchased at the cost of a partial capitulation, giving a revisionist power the time and resources to reconstitute its strength. Iran is not Nazi Germany, and the comparison has its limits — but the logic of appeasement without guarantees is the same, and its risks are too.

The West's responsibility over time

The West — the United States, Europe, and the world's democracies — has the responsibility not to look away once the summer 2026 crisis has passed. The temptation will be great, once the Strait of Hormuz reopens and gasoline prices fall, to declare victory and move on. It is precisely this cyclical inattention that has allowed Iran to cross all successive red lines since 2018. Vigilance in the coming months — on the implementation of down-blending, on IAEA inspections, on signals of a reconstitution of the program — is not optional. It is the minimal price of a minimal agreement.

The West's strength lies not only in its armies or its economy — it lies in its capacity to maintain commitments over time, where authoritarian regimes like Tehran count on the impatience and inconstancy of democracies. This deal, even imperfect, can be the first step toward something solid — or it can be the beginning of another decade of nuclear procrastination. It is our collective choice that will determine which of the two scenarios prevails.

Signed Maxime Marquette, columnist

Sources

Primary sources

BBC News — Trump and Iran's president sign initial deal aiming to end war (Anthony Zurcher) — June 18, 2026

AP News — US and Iran sign initial deal to end war, ease sanctions and open strait as nuclear talks continue (Michelle L. Price) — June 17, 2026

NPR — Read the full text of Trump's preliminary U.S.-Iran agreement to end the war — June 18, 2026

Secondary sources

Al Jazeera — What the Trump-Iran agreement says about Lebanon, Hormuz and uranium (Sarah Shamim) — June 18, 2026

The Guardian — US-Iran deal takeaways: reopening the strait of Hormuz, waived oil sanctions and Lebanon (Joseph Gedeon) — June 17, 2026

CBS News — Here's how Trump's memo of understanding with Iran compares to the Obama nuclear deal, the JCPOA (Kathryn Watson) — June 18, 2026

NPR — Week in politics: continued negotiations with Iran; G7 summit — June 21, 2026

Iran International — US-Iran deal outlines uranium disposal under IAEA supervision (Maryam Sinaiee) — June 15, 2026