Skip to content
You can now search across every topic, entity and event.What's new
Iran Conflict 2026
20AUG

Rubio sets the US sequence on oath

3 min read
16:36UTC

In his first war testimony, Marco Rubio told the Senate the strait reopens before any centrifuge talks, with no sanctions relief for reopening alone.

ConflictDeveloping

Secretary of State Marco Rubio gave the SFRC (Senate Foreign Relations Committee) his first testimony since the war began, on 2 June. He laid out the US order of operations under oath: the Strait of Hormuz reopens first, then 30, 60 or 90-day technical talks on cutting or cancelling enrichment 1. Reopening alone buys Tehran nothing. "We have not offered Iran any sanctions relief" for that first step, Rubio told the committee 2.

The sequence answers a question the war has dodged for three months, which side moves first. Washington wants the strait open before the centrifuges are discussed, and the same week it cut the IRGC's stablecoin toll rail through OFAC , the demand to reopen Hormuz is the diplomatic face of that financial squeeze. Iran must give up the chokepoint leverage before it gains anything at the table.

Rubio also gave the first US read on the Supreme Leader's channel. Mojtaba Khamenei "appears increasingly engaged, although all of his communications have been in writing and through intermediaries" 3. On the 440.9 kg enriched uranium stockpile, Rubio offered no new custody plan: it is, he said, "still buried deep in a mountain somewhere" 4. Washington has a sequence and a read on Tehran's top channel, but no answer yet on where the uranium goes.

Deep Analysis

In plain English

US Secretary of State Rubio told Congress on 2 June that Iran must reopen the Strait of Hormuz first, before any nuclear talks begin and before any sanctions are lifted. He laid out a timeline of 30, 60 or 90 days of technical negotiations that would only start after Iran acts. Iran's leverage in these negotiations is the Hormuz closure itself. Rubio is asking Tehran to relinquish that leverage before Washington offers anything in return. He also confirmed for the first time that Supreme Leader Mojtaba Khamenei is sending written messages through intermediaries, a slow channel that sits awkwardly against the 30/60/90-day timetables Rubio proposed.

Deep Analysis
Root Causes

The sequencing deadlock has one structural driver: Iran's only strategic leverage is the Strait of Hormuz. Reopening it for free removes Tehran's ability to compel a sanctions-relief deal.

The Hormuz toll mechanism and the PGSA architecture (built at significant political cost inside Iran between March and May 2026) were designed specifically to create a concession Iran could offer in exchange for something. Asking Iran to dismantle that mechanism before talks produce a verified commitment violates the basic exchange logic that any negotiated settlement requires.

Rubio's characterisation of Mojtaba Khamenei as writing-only-through-intermediaries is the public US record that the Supreme Leader is engaging. It simultaneously constrains Tehran's ability to deny talks are happening and confirms that the channel is indirect and slow, meaning that the 30/60/90-day timelines Rubio proposed require Khamenei to sanction moves faster than his communication channel permits.

Escalation

Rubio's testimony does not escalate the military situation but hardens the US diplomatic position. The explicit statement that no sanctions relief accompanies a Hormuz reopening reduces the probability of a rapid deal and increases the risk that Iran will interpret the framework as structurally bad-faith.

What could happen next?
  • Risk

    Iran's SNSC will likely read the no-sanctions-relief condition as confirming that Hormuz reopening is a unilateral concession, reinforcing the hardliners' argument that Araghchi's diplomacy delivers nothing.

  • Consequence

    The 440.9 kg enriched uranium stockpile remains in Iranian territory with no agreed custody plan; every week without an agreement extends the proliferation-risk window Rubio acknowledged but did not resolve.

First Reported In

Update #116 · Washington signs a sanction, not a strike

Al Jazeera· 3 Jun 2026
Read original
Different Perspectives
UK Maritime Trade Operations
UK Maritime Trade Operations
UKMTO logged six armed men boarding a tanker 136 nautical miles east of Al Mukalla on 20 August and redirecting it toward Somalia. A vessel steered toward the Somali coast reads as an attempted seizure, a distinct hazard from the stand-off strikes the same lane has seen before.
Mohammad Bagher Ghalibaf
Mohammad Bagher Ghalibaf
Iran's Majlis speaker received Iraq's Hormuz carve-out request in Baghdad on 19 August, a request that treats passage as Tehran's to grant. Ghalibaf's authority over that grant sits alongside the Revolutionary Guard's separate transit rules, which have moved independently of Iran's foreign ministry before.
Haibat al-Halbousi
Haibat al-Halbousi
Iraq's parliament speaker asked Iran for special consideration on Iraqi Hormuz oil exports during Ghalibaf's 19 August Baghdad visit. Iraq presses the request from a weak position: Iran's central bank is simultaneously demanding Baghdad release Iranian reserves parked in Iraqi accounts.
Federal Department of Economic Affairs, Education and Research
Federal Department of Economic Affairs, Education and Research
Switzerland's economics ministry updated the Article 21 forms governing lawful Iran money transfers on 19 August, with only the revised forms accepted from 26 August. Bern operates one of the few remaining legal Iran payment channels and has just set a hard cutover on its control point.
Motegi Toshimitsu
Motegi Toshimitsu
Japan's foreign minister said in Muscat on 20 August that Tokyo wants closer coordination with Oman on safe Hormuz and Bab el-Mandeb passage. Japan has no naval presence of its own in the strait, so it is routing the ask through the state negotiating with Iran instead.
Badr bin Hamad Al Busaidi
Badr bin Hamad Al Busaidi
Oman's foreign minister joined Japan's in Muscat on 20 August to call for intensified coordination on Hormuz and Bab el-Mandeb navigation. Oman also runs the mediation track with Tehran, so the appeal travels through the same channel as the negotiation.