White House says U.S. and Iran sign memorandum of understanding, Strait of Hormuz to reopen

 June 16, 2026

The White House announced Monday that the United States signed a memorandum of understanding with Iran that provides for reopening the Strait of Hormuz, lifting the American naval blockade, and launching a new round of negotiations over Tehran's nuclear program, sanctions relief, frozen assets, and regional security. Senior administration officials stressed that not a single dollar of frozen Iranian assets has been released, and that none will be until Iran takes verified steps toward compliance.

A senior American official told reporters the MOU creates "a structure for how our negotiation, our relationship will operate in the future." The agreement was signed by President Donald Trump, Vice President JD Vance, and Iranian Parliament Speaker Mohammad-Bagher Ghalibaf, as Breitbart reported.

The deal's structure, performance first, relief second, marks a sharp departure from the approach that defined the Obama-era nuclear agreement. That 2015 deal released billions in frozen assets up front and handed Tehran leverage before verification was complete. This time, U.S. officials say they are holding the money.

Zero dollars released

When asked directly whether any frozen assets had been released to Iran upon signing, one senior U.S. official gave a one-word answer: "Zero." The official elaborated that "$0 of unfrozen assets have been released by the United States or any other country."

Another official said the United States is "prepared to release frozen funds" but only after Iran takes "verifiable and hopefully irreversible steps." Officials described the possibility of a "big $300 billion fund to rebuild their country", but said any such relief and support would be "tied to performance."

That framing matters. Critics of previous Iran diplomacy have long argued that front-loaded concessions gave Tehran the resources to fund proxy warfare across the Middle East while dragging its feet on nuclear compliance. The White House appears to be answering that criticism directly, building conditionality into the architecture from the start.

Hormuz reopens, but not overnight

The memorandum provides for the "immediate opening of the Strait of Hormuz" and the "combined lifting of the naval blockade." But administration officials acknowledged that "immediate" carries practical limits. The senior official said ships "have different risk tolerances" and that some crews want to see "a little bit more stability" before transiting the waterway.

A significant increase in traffic through the strait is "actually starting already," the official said. But a full return to normal is not expected soon.

"We probably won't return to normal in two weeks."

That timeline matters for global energy markets. The Strait of Hormuz is the world's most important oil chokepoint. Any disruption, or reopening, ripples through crude prices within hours. Trump appeared to anticipate the market signal when he announced Sunday that the deal was "now complete."

"Ships of the World, start your engines. Let the oil flow!"

The president's declaration came a day before the White House formally confirmed the MOU's signing. Pakistani Prime Minister Shehbaz Sharif separately announced the breakthrough, saying "The Peace Deal between the United States of America and Islamic Republic of Iran has been REACHED." Sharif added that a formal signing ceremony was scheduled for Friday, June 19, in Switzerland.

Vance's direct role

Senior administration officials described Vice President JD Vance as playing a hands-on role in the negotiations. Trump encouraged Vance to get "involved directly," one official said, describing the talks as "an opportunity to make a difference." Another official said the negotiating team felt "really, really lucky to have the vice president leading this team" and that his involvement showed "the President's commitment" to the process.

The negotiating team also included Jared Kushner and Steve Witkoff. A senior official credited the group with establishing "a direct relationship with a number of people at the highest levels of the Iranian government", something the official said "really hasn't happened in 47 years." That relationship, the official said, helped Washington understand "where they're willing to give."

The diplomatic channels ran through multiple intermediaries. One senior U.S. official described "front channel conversations with the Pakistanis" and "back channel conversations with the Qataris." The multi-track approach reflects the complexity of engaging a regime that has not maintained formal diplomatic relations with Washington since 1979. While Democrats have focused their energy on suing to block Trump executive orders on domestic policy, the administration was quietly building a negotiating framework with one of America's most entrenched adversaries.

Sanctions, nuclear program, and what comes next

The MOU does not resolve the nuclear question. It opens a new phase of negotiations. Officials said Washington's top priority remains ensuring Iran does not rebuild its nuclear program. The agreement ties Iran being "welcomed into the world economy" to cooperation on its nuclear program, verification that it is not building a nuclear weapon, and a commitment to "not funding radicalism and terrorism in the region."

A senior official framed the arrangement as a "two-way street."

"If they're willing to behave like a normal country, then we're willing to treat them like a normal country."

Officials said sanctions relief would depend on Tehran "behaving more appropriately," "not funding terrorism," and not being "a source of instability in the region." On the question of a visible drawdown of U.S. forces in the region, a senior official said flatly: "We're not doing that yet." Any force reduction would come only after a final deal in which "the Iranians make some concessions."

There is, officials conceded, "still a lot of work to do" and "wood to chop." Another senior U.S. official said officials would know "over the next two to three weeks" whether current understandings would turn into a mutual agreement. That compressed window suggests the administration is pushing hard to convert the MOU into binding terms before momentum fades.

Israel, Hezbollah, and the regional picture

One of the sharpest details in the White House briefing concerned Israel and Lebanon. A senior official said the agreement does not require Israel to withdraw from Lebanon, a significant point given Tehran's longstanding support for Hezbollah. The official said the arrangement "will not be a one-way ceasefire" and that Israel would retain the right to defend itself and respond if Iran cannot control Hezbollah or if Hezbollah attacks Israeli positions or towns.

Another senior U.S. official described internal divisions within the Iranian government, referring to damage from the war to Iran's "industrial base" and "military" and to tension between people who "want to stay with the same pathway" and others who "want to change." That internal fracture, if real, may explain why Tehran came to the table. The messaging missteps that have plagued Democratic leaders at home look minor compared to the factional struggles reportedly playing out inside Tehran's government.

Transparency pledge

A senior U.S. official said the MOU "will be released publicly" and that "there'll be no side deals." That promise of transparency is itself a policy statement, a rebuke of the secret side agreements that dogged the Obama administration's Joint Comprehensive Plan of Action. Whether the full text, once released, matches the White House's characterization will be the first real test.

The official said the arrangement could benefit "the people of Iran, of the Gulf region and the United States." That is the aspiration. The record of Iranian compliance with international agreements is not encouraging. The regime has spent decades funding proxy forces, evading inspectors, and exploiting diplomatic openings to buy time.

But the structure here is different. No money has moved. No sanctions have been lifted. No troops are coming home, yet. The leverage stays with Washington until Tehran delivers. That is the right order of operations, and it is the order that previous administrations got backwards.

The next two to three weeks will show whether Iran's leaders are serious, or whether they signed a piece of paper to buy time, as they have before. The difference this time is that the check hasn't been cashed.