US-Iran Memorandum of Understanding expires: How and why it fell apart

What the report says

Al Jazeera reports that a June 17 Memorandum of Understanding between the United States and Iran expired on Monday after breaking down during a 60-day process meant to support wider peace talks. The agreement, brokered in Islamabad and signed by Iranian President Masoud Pezeshkian and US President Donald Trump, was intended to halt military operations, reopen or regulate movement through the Strait of Hormuz, and set the stage for a final settlement covering sanctions, reconstruction, and other issues.

According to the report, the deal’s broad language quickly created disputes. The main flashpoints were control of shipping routes in the Strait of Hormuz, the scope of a ceasefire that also mentioned Lebanon, and unclear terms around Iran’s reconstruction package and sanctions relief. Iran said vessels should follow its route guidance, while Oman-backed routing differed. The article says ships were hit after using the Oman route, prompting US strikes on Iranian sites and further exchanges of attacks.

Al Jazeera says the ceasefire also unraveled because it did not explicitly address Israel’s continuing strikes in Lebanon, which Iran argued should have stopped under the deal. The publication frames the collapse as a result of vague drafting, competing interpretations, and renewed military actions by both sides. As background, the Strait of Hormuz is a critical maritime chokepoint for global energy shipments, so any disruption there carries wider regional and economic implications.