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U.S. and Iran Sign Interim Agreement Outlining Nuclear Terms and $300B Economic Framework

A signed memorandum of understanding outlines a $300 billion economic package and maritime normalization as the ceasefire enters an implementation phase.

June 18, 2026 at 1:30 AM

The United States and Iran have transitioned from a conceptual ceasefire to a formal implementation stage following the signing of an interim memorandum of understanding. The newly released text details a comprehensive framework that includes the U.S. lifting its naval blockade within 30 days and the establishment of a 60-day 'free passage' window for vessels in the Strait of Hormuz. Crucially, the agreement links military de-escalation to a massive $300 billion reconstruction and economic development package for Iran, supported by U.S.-granted financial licenses and the eventual termination of sanctions. On the nuclear front, Iran has reaffirmed it will not pursue nuclear weapons, though the agreement effectively freezes its current nuclear status rather than demanding immediate disarmament, pushing final resolutions to a later negotiating stage. The deal's scope has also been broadened to include Lebanon, aiming to address the regional spillover involving Hezbollah. Despite the signature, Iranian officials expressed a cautious 'test' of the agreement's implementation, while President Trump has maintained a firm stance, warning of severe consequences should Tehran violate the nuclear terms. Significant ambiguity remains regarding the exact 'trigger' for the 60-day implementation clock, with some reports suggesting it began with the signing and others pointing toward an upcoming ceremony in Switzerland. Furthermore, while the U.S. has signaled support for regional partners to lead the $300 billion economic initiative, President Trump has clarified that the U.S. does not intend to invest its own capital directly into the Iranian economy.

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