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Interim U.S.-Iran PACT Faces Implementation Hurdles Amid Nuclear and Maritime Disputes

Washington releases memorandum text while President Trump threatens renewed strikes if Tehran fails to meet nuclear dilution requirements.

June 18, 2026 at 11:30 AM

Diplomatic efforts between the United States and Iran have entered a critical implementation phase following the announcement of an interim memorandum. U.S. officials publicly expanded on the agreement's requirements, specifically mandating that Iran's stockpile of highly enriched uranium be diluted under international supervision. Despite the diplomatic movement, President Trump has escalated his rhetoric, stating he is prepared to resume military strikes if the 60-day arrangement is violated. The agreement faces immediate friction over maritime rights and regional security. Iranian negotiator Mohammad Bagher Ghalibaf signaled that Tehran intends to maintain leverage over the Strait of Hormuz by potentially charging transit fees for commercial vessels, countering U.S. expectations of a return to pre-war shipping norms. Meanwhile, regional actors are quickly adjusting; several Gulf states have lifted travel bans and France has offered support for maritime security missions. While the deal has triggered a drop in global oil prices to below $80, the situation remains volatile. Conflict continues on secondary fronts, with recent reports of casualties in southern Lebanon underscoring the fragility of the de-escalation. Disagreements also persist over the optics of the pact, as Iranian officials have denied reports of a formal signing ceremony in Switzerland, even as U.S. sources suggest a Friday event in Geneva remains a possibility.

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