The US halts naval operations in the Strait of Hormuz, signaling a diplomatic shift toward a memorandum of understanding with Iran.
The United States Navy abruptly paused its mission to escort commercial vessels through the Strait of Hormuz on Tuesday afternoon, just one day after initiating the operation. This sudden reversal follows a direct request from Pakistan and other countries, marking a significant deviation from the aggressive military posture established weeks earlier.
President Donald Trump announced the operational halt on Truth Social, citing “great progress” toward a final agreement with Tehran. He explicitly referenced the diplomatic interventions of allied nations as the catalyst for suspending the military campaign, which had been labeled as part of the broader US-Iran conflict.
Earlier that day, US Secretary of State Marco Rubio declared Operation Epic Fury, the air and naval campaign launched on February 28, as “concluded.” Rubio shifted the focus from military engagement to diplomatic frameworks, stating that Washington now sought a “memorandum of understanding for future negotiations.” This move aligns with Iran’s long-standing demand to separate immediate security concerns from long-term nuclear issues.
For weeks, Iran had proposed multistage negotiations through intermediaries, specifically Pakistan. The Tehran proposal outlined a preliminary deal aimed at ending the current hostilities, with negotiations regarding the US demands for nuclear disarmament deferred to a later stage. Washington had previously resisted this sequencing, with Trump insisting that nuclear disarmament was a non-negotiable central pillar of any deal.
However, recent reports from Reuters and Axios suggest the US has moved closer to accepting Iran’s preferred timeline. On Wednesday, the US and Iran were reported to be close to agreeing on a one-page memorandum of understanding to end the war, despite the absence of detailed negotiations on Tehran’s nuclear program.
Seyed Mojtaba Jalalzadeh, an international relations analyst in Tehran, interpreted these signals as a sober reassessment in Washington of what is realistically achievable. “Moving towards a memorandum of understanding, a framework for future talks, is a good, viable and important first step to solve the immediate problem,” Jalalzadeh told Al Jazeera.
Pakistani officials have played an intensified role in these mediations. Pakistani Prime Minister Shehbaz Sharif acknowledged the involvement of Saudi Crown Prince Mohammed bin Salman in prodding the US president to suspend the military mission. Sharif expressed hope that this momentum would lead to a lasting agreement securing regional stability.
The diplomatic overtures come amid a fragile and reportedly fraying ceasefire. Since the weekend, Iran’s Islamic Revolutionary Guard Corps (IRGC) allegedly launched missiles and drones at the United Arab Emirates, striking an oil facility in Fujairah that wounded three Indian workers. Iran denied involvement, while both sides claimed to have hit the other’s ships, though neither admitted success.
Despite these provocations, Washington declined to escalate. Joint Chiefs of Staff Chairman General Dan Caine stated the incidents remained below the threshold for restarting major combat operations, while Defense Secretary Pete Hegseth affirmed the ceasefire still held.
Analysts suggest this pause reflects a recognition that the balance of deterrence currently favors Iran. Andreas Krieg, an associate professor at King’s College London, described the US shift as a limited but meaningful concession, noting that Washington has accepted the simultaneous resolution of the war, the strait, and nuclear issues is not currently feasible.
The central question remains whether the US has implicitly accepted Iran’s core demand: ending the war and settling the Strait of Hormuz status first, with nuclear talks later. Rubio’s briefing marked a sharp departure from earlier US positions, which included dismantling Iran’s navy and missile capabilities. A previous 15-point proposal had demanded the dismantling of nuclear facilities and the handover of highly enriched uranium.
Rubio now describes the military phase as over, stating that nuclear material is “being addressed in the negotiation” but offering no specifics. He argues the campaign destroyed the “conventional shield” protecting Iran’s program, effectively redefining the war’s purpose while sidestepping the issue of uranium buried underground.
Significant gaps persist between the two parties. Iran’s Foreign Ministry spokesman Esmaeil Baghaei explicitly stated, “At this stage, we do not have nuclear negotiations,” outlining a 14-point proposal that calls for ending the war, lifting the naval blockade, releasing frozen assets, and establishing a new governing mechanism for the strait.
Washington’s definition of “opening the strait” diverges sharply from Tehran’s. Rubio rejected the notion of coordinating with Iran or paying a toll for passage, calling it unacceptable. Conversely, Iran’s proposal for a “new mechanism” suggests precisely such an arrangement. Jalalzadeh noted that even Iranians are undecided on how to administer the strait, making it the most unresolved issue.
The diplomatic clock is ticking. Iranian Foreign Minister Abbas Araghchi arrived in Beijing for talks with Chinese Foreign Minister Wang Yi, his first visit since the war began. This occurs just days before Trump’s scheduled summit with President Xi Jinping. US officials have pressed China to leverage its position as the buyer of over 80 percent of Iran’s oil to force strait access. However, Beijing has signaled resistance to US pressure, recently ordering domestic companies to defy US sanctions on Iranian crude oil.
As Gulf states and global powers navigate this complex landscape, the pause in hostilities offers a window for diplomacy. Yet, without clarity on the strait’s governance or the nuclear file, the stability achieved remains precarious. The coming weeks will determine whether this memorandum of understanding evolves into a durable peace or dissolves into further deadlock.
The US pivot to a memorandum of understanding signals a potential de-escalation in the broader US-Iran conflict, prioritizing immediate cessation of hostilities over immediate nuclear disarmament. This shift allows Tehran to secure economic relief and strait access, which may stabilize global energy markets in the short term. However, the unresolved nuclear questions and conflicting definitions of strait governance create a volatile foundation. If diplomatic channels falter, the lack of a comprehensive deal could lead to renewed military posturing, while successful negotiations might reshape the geopolitical influence of China and Saudi Arabia in the region. The outcome hinges on whether Washington can accept the deferred nuclear timeline without losing domestic political support.
May 6, 2026 13:16 UTC
US Halts Hormuz Escort for Iran MoU
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