Strait of Hormuz: What has happened since the US-Iran MoU on June 17?
More than three weeks after the United States and Iran signed a memorandum of understanding (MoU) to end their war and restore shipping through the Strait of Hormuz, the future of passage through the
More than three weeks after the United States and Iran signed a memorandum of understanding (MoU) to end their war and restore shipping through the St
Read Full Story at Al Jazeera →Why This Matters
The Strait of Hormuz is more than a geographic chokepoint—it’s the world’s most critical oil artery, through which nearly a fifth of global crude passes daily. A lasting US-Iran détente here wouldn’t just ease regional tensions; it could redefine global energy security, reshape maritime insurance markets, and shift the balance of power in the Gulf, where proxies and naval posturing have long dictated the rules of engagement.
Background Context
Since the 1980s, the Strait of Hormuz has been a flashpoint, from the "Tanker War" during the Iran-Iraq conflict to the 2019 sabotage of four vessels near Fujairah. The June 17 MoU, brokered in Oman, marks the first direct US-Iran accord since the 2015 nuclear deal collapsed, yet its predecessors—like the 2001 maritime cooperation pact—foundered on mutual distrust. What’s different now is the erosion of deterrence: Iran’s "precision strikes" on Israeli-linked ships in April coincided with a US election year, where both sides may prioritize de-escalation for tactical reasons.
What Happens Next
The MoU’s durability hinges on enforceable mechanisms—will joint patrols materialize, or remain a symbolic gesture? Watch for Iran’s next moves in Iraq and Yemen: a reduction in drone attacks on Saudi Arabia could signal serious intent, while new maritime seizures would expose the accord as a temporary truce. Meanwhile, the EU’s planned maritime security mission, *Aspides*, risks becoming redundant if Washington and Tehran bypass it entirely, further sidelining transatlantic diplomacy.
Bigger Picture
This détente fits a broader pattern of "managed conflicts" in the Middle East, where local actors—from the Houthis to the IRGC—adjust tactics without abandoning strategic goals. As US-China competition intensifies, the Strait’s stability is now a proxy for great-power influence; Beijing’s recent naval forays into the Gulf underscore how energy security is being weaponized in a new, multipolar era. The MoU may be a footnote in history—or the first step toward a region where diplomacy outpaces drones.
