US Signals Contingency Plans if Iran Keeps the Strait of Hormuz Closed, Rubio Says
Marco Rubio says the US seeks a diplomatic settlement with Iran but will pursue contingency plans if Tehran refuses to reopen the Strait of Hormuz in Sweden.
U.S. Senator Marco Rubio told ministers at a NATO foreign ministers meeting in Helsingborg, Sweden on May 22, 2026, that Washington has not formally requested alliance assistance over the Strait of Hormuz but insists on a contingency plan should Iran refuse to reopen the vital waterway. Rubio said the United States prefers a negotiated solution but that planning for alternatives is necessary to protect international navigation and regional stability. He identified Pakistan as a key mediator in talks with Tehran and noted ongoing, cautious progress in diplomacy.
Rubio’s Remarks at the NATO Foreign Ministers Meeting
Rubio addressed reporters after a session with NATO foreign ministers, reiterating that the United States wants a diplomatic understanding with Iran while preparing for other outcomes. He emphasized that progress in talks exists, but no definitive agreement has been reached. Rubio framed contingency planning as a prudent response if Iran maintains restrictions on the Strait of Hormuz.
He also said the administration wants to prevent a broader regional escalation and to stop Iran from advancing nuclear ambitions. Those comments were delivered in the context of wider alliance discussions about security and the implications of disruptions to international shipping.
No Formal NATO Request on Strait of Hormuz
According to Rubio, Washington did not submit a specific request to NATO on Friday for collective action regarding the Strait of Hormuz. He said U.S. officials are continuously reassessing force posture in Europe, but at this meeting no formal ask was made of the alliance. The statement signals Washington’s preference to pursue diplomatic channels while keeping military and security options on the table.
Ministers at the meeting discussed regional security pressures broadly, but Rubio’s remarks clarified that NATO had not been asked to take an immediate operational role in the maritime dispute. That distinction is likely intended to preserve diplomatic flexibility and avoid forcing alliance members into rapid escalatory commitments.
Pakistan’s Role as Principal Mediator
Rubio named Islamabad as the principal intermediary in talks with Tehran, noting Pakistan’s central role in facilitating dialogue. He said Washington coordinates with several countries on engagement with Iran, but highlighted Pakistan’s lead status in the conversations. Pakistani military and diplomatic channels have previously been used in sensitive talks, and Rubio’s comments indicate that track is active.
The timing of Pakistani engagement was underscored by reports that Pakistan’s army chief, General Asim Munir, was en route to Tehran on May 22, 2026. That visit could advance the mediation effort and was specifically cited by Iranian state media as taking place the same day Rubio spoke in Sweden.
U.S. Focus on Avoiding Wider Conflict
Rubio repeatedly stressed a U.S. objective to prevent a wider Middle East conflict, linking that aim to both diplomatic outreach and contingency planning. He said Washington does not seek to widen confrontation and wants Iran to abandon ambitions that could destabilize the region. The balance Rubio described reflects a dual-track approach: press for diplomacy while ensuring options remain if talks fail.
The senator’s language also reflected concern about the strategic implications of any sustained closure of the Strait of Hormuz, a choke point through which a significant portion of global energy shipments transit. Disruption there would have immediate economic and security repercussions beyond the region.
Progress in Talks but No Final Agreement
Rubio described the diplomatic picture as showing “some progress” but falling short of a final settlement with Tehran. He indicated that negotiations have produced encouraging signals but that substantive issues remain unresolved. That assessment suggests the United States and intermediaries see room for further engagement but are not yet prepared to announce a breakthrough.
He also told reporters that President Donald Trump prefers a negotiated settlement, framing U.S. policy in this instance as seeking a diplomatic resolution while maintaining readiness for other scenarios. Rubio’s comments signal an administration intent on exhausting talks while safeguarding national and allied interests.
Contingency Planning and Military Posture
While declining to detail specific contingency measures, Rubio said planning for alternatives to diplomacy is ongoing and that the presence of U.S. forces in strategic regions is under constant review. He framed such assessments as routine, necessary steps given the high stakes tied to the Strait of Hormuz. The implication is that Washington wants to be prepared to ensure freedom of navigation if Tehran continues to restrict passage.
Rubio’s refusal to request immediate NATO assistance does not rule out future cooperation if circumstances change. Alliance ministers were thus left with awareness of U.S. concerns but no binding commitment from NATO at this stage.
The U.S. emphasis on both negotiation and contingency planning reflects the complex diplomatic and security environment surrounding Iran and the Strait of Hormuz.