# U.S.–Iran Nuclear MoU Faces Last-Minute Crisis and 60-Day Clock *Sunday, May 24, 2026 at 8:03 PM UTC — Hamer Intelligence Services Desk* **Published**: 2026-05-24T20:03:23.678Z (2h ago) **Category**: geopolitics | **Region**: Middle East **Importance**: 9/10 **Sources**: OSINT **Permalink**: https://hamerintel.com/data/articles/5200.md **Source**: https://hamerintel.com/summaries --- **Deck**: On 24 May between 17:11 and 18:30 UTC, multiple officials and outlets indicated that a planned U.S.–Iran memorandum of understanding, including a 60‑day quiet period and free navigation through the Strait of Hormuz, is at risk. Disputes over frozen assets and terms have prompted warnings that the MoU may be cancelled if current U.S. positions persist. ## Key Takeaways - A draft U.S.–Iran memorandum reportedly envisages 60 days of calm and free navigation in the Strait of Hormuz. - Between 17:11 and 18:30 UTC on 24 May, reporting indicated a last‑minute crisis over unresolved disputes, especially frozen Iranian assets. - Iranian outlets and analysts warn the MoU may be cancelled if the U.S. attitude does not change. - Senior U.S. officials say Iran has agreed in principle to remove enriched uranium but negotiations remain delicate. - The outcome will heavily influence regional stability, sanctions relief prospects, and global energy markets. On 24 May, the trajectory of a tentative U.S.–Iran understanding over Iran’s nuclear program and maritime behavior took a volatile turn. Between approximately 17:11 and 18:30 UTC, officials and media close to the talks reported that, despite earlier optimism, significant disputes remain unresolved—particularly regarding the release of Iranian frozen assets. Commentators close to Iranian decision‑making warned that if the current U.S. stance persists, Tehran’s Supreme National Security Council (SNSC) will neither sign nor approve the memorandum of understanding (MoU). The draft MoU reportedly includes several key elements. Chief among them is a 60‑day period of reduced tensions, featuring "silence" in escalation and guaranteed free navigation through the Strait of Hormuz, a critical chokepoint for global oil flows. In exchange, the United States and its partners would take steps toward limited sanctions relief or asset unfreezing, while Iran would agree to constraints such as the removal of enriched uranium from its territory, as echoed by a senior U.S. official speaking to U.S. media around 17:14 UTC. Public statements by U.S. President Donald Trump and Secretary of State Marco Rubio, also on 24 May, framed the negotiations as ongoing but fragile. Trump emphasized that any eventual agreement would be "good and proper" and distinct from prior deals, asserting that it was not yet fully negotiated and warning critics against judging an unseen text. Rubio, speaking from New Delhi according to reports, indicated that if nuclear talks fail within roughly 60 days, "all military options" would remain on the table, while linking progress to Iran reopening the Strait of Hormuz under the proposed MoU framework. From the Iranian side, state‑linked media such as Tasnim highlighted unresolved disputes over frozen assets, stressing that Tehran would not back down from its red lines. The suggestion that the MoU could be cancelled reflects both internal political constraints and a bargaining posture aimed at extracting more favorable terms. The SNSC’s ultimate decision will be shaped by regime perceptions of economic benefits, domestic legitimacy, and security guarantees. This negotiating phase involves several key players: the U.S. administration, including Trump and Rubio as its public faces; the Iranian political and security establishment, particularly the SNSC; and regional intermediaries such as Pakistan, whose foreign minister and army chief plan to announce key points of the agreement on 26 May according to reports around 17:11 UTC. Pakistan’s role underscores how neighboring states seek to position themselves as brokers in de‑escalating one of the region’s most consequential rivalries. The stakes are substantial. A functioning MoU could rapidly reduce the risk of naval incidents or economic disruption in the Strait of Hormuz, providing short‑term stability to global energy markets already sensitive to geopolitical shocks. It could also create a window for more comprehensive follow‑on negotiations over Iran’s nuclear program and regional activities. Conversely, a breakdown would heighten the likelihood of further sanctions, clandestine operations, or even direct military confrontation. ## Outlook & Way Forward The coming days are critical. Observers should focus on official statements from Tehran’s SNSC, the White House, and key intermediaries in Islamabad and other regional capitals. Signs that technical working groups are still meeting, or that both sides are adjusting language on frozen assets and verification mechanisms, would indicate that the MoU remains salvageable despite current rhetoric. If the MoU collapses, attention will shift to how quickly each side moves to escalate or contain the fallout. Washington’s references to retaining "all options" and maintaining a naval blockade suggest a readiness to apply additional pressure, while Iran could respond by resuming higher‑level enrichment, tightening maritime harassment, or leveraging regional proxies. On the other hand, if the MoU is signed and implemented, the 60‑day quiet period could serve as a de‑escalatory testbed; its success or failure would shape confidence in longer‑term agreements and influence the risk calculus of regional actors, including Israel and Gulf states, who are directly exposed to both the nuclear and maritime dimensions of U.S.–Iran tensions.