Gulf Allies Back U.S. Push for Iran Peace — But Demand Guarantees

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Rubio Closes Gulf Tour With a Clear Message: Your Security Comes First

U.S. Secretary of State Marco Rubio wrapped up a three-day diplomatic tour of the Gulf on Thursday, meeting with Arab foreign ministers in Bahrain to address mounting concerns about Washington's emerging peace deal with Iran. The visit — the first high-level U.S. diplomatic mission since a preliminary framework agreement was announced last week — was aimed at calming nerves among America's closest regional partners.

Speaking at a meeting of Gulf Cooperation Council (GCC) foreign ministers, Rubio stressed that the United States would not finalize any arrangement that undermined allied security. "We're not going to do anything that undermines the security of our longstanding allies in the region," he said.

What the Deal Currently Looks Like — and Why Allies Are Worried

The preliminary U.S.-Iran framework, reached after a first round of negotiations in Switzerland earlier this week, has raised significant red flags among Gulf Arab states. The draft reportedly includes no limits on Iran's ballistic missile program, a proposed $300 billion reconstruction fund for Tehran, and provisions that could expand Iranian influence over key oil shipping routes — including the strategically vital Strait of Hormuz.

All six GCC nations — Saudi Arabia, Qatar, Oman, the United Arab Emirates, Bahrain, and Kuwait — suffered Iranian airstrikes during the conflict and provided varying degrees of logistical support to U.S. and Israeli forces. The war began on February 28 with U.S.-Israeli strikes on Iran and ended with Tehran having briefly seized effective control of the Strait of Hormuz, disrupting global oil flows and rattling international energy markets.

Given that history, the prospect of Iran receiving a massive reconstruction fund — potentially allowing it to rebuild military capabilities — is a serious concern. Gulf states fear the deal could open the door to broader U.S.-Iranian normalization, effectively elevating a country most Sunni-led GCC governments regard as their primary adversary.

Rubio acknowledged the unease directly. He told reporters that Gulf allies had expressed "very serious concerns" and demanded to be kept informed at every stage of the negotiations.

The Strait of Hormuz: A Defining Issue

One of the most sensitive elements of the emerging deal involves the Strait of Hormuz — the narrow waterway through which roughly 20 percent of the world's oil supply passes. During the recent conflict, Iran's temporary control of the strait sent shockwaves through global commodity markets.

Rubio was unambiguous: "No country on Earth has the right to charge for the use of international waterways." He added that shipping fees would never be part of any U.S.-endorsed agreement, and warned that any Iranian threat to vessels transiting the strait would be a dealbreaker: "Then we're going to have a problem."

Bahrain's Foreign Minister Abdullatif bin Rashid Al Zayani welcomed an announcement by Oman — a traditional mediator between Washington and Tehran — that future Strait of Hormuz arrangements would involve no transit tolls and would include a safe-passage corridor for commercial vessels.

Mixed Signals From Washington and Tehran

The diplomatic picture is complicated by conflicting public statements from both sides. President Donald Trump declared this week that Iran had agreed to nuclear inspections extending into "infinity." Tehran flatly denied making any such concession. The two governments have also given contradictory accounts regarding financial incentives, control of the Strait of Hormuz, and the status of Israel's ongoing conflict with Iranian-backed forces in Lebanon.

The next round of negotiations is expected to continue in Switzerland. Rubio did not publicly address the $300 billion reconstruction fund during Thursday's Bahrain meeting.

Strategic Stakes for Washington

The GCC nations form the backbone of America's military posture in the Middle East. Bahrain alone hosts the U.S. Navy's Fifth Fleet. Any erosion of trust between Washington and its Gulf partners could have significant consequences for U.S. force projection across the region.

For the Trump administration, the challenge is clear: closing a durable deal with Iran while keeping decades-old alliances intact. Rubio's tour was a first step in that balancing act — but with so many details still unresolved and conflicting narratives on both sides, the harder work clearly lies ahead.

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Sources

1. Reuters — "Rubio wraps up Gulf tour as allies share concerns over Iran peace accord" (June 25, 2026): https://www.reuters.com/world/middle-east/rubio-visits-bahrain-seeking-gulf-backing-iran-deal-2026-06-25/
2. Reuters — Background on Strait of Hormuz and Gulf security architecture: https://www.reuters.com/world/middle-east/
3. U.S. Department of State — Secretary Rubio press remarks, Kuwait/Bahrain (June 2026): https://www.state.gov/secretary-rubio/

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