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Iran Conflict 2026
6JUN

Rubio sets the US sequence on oath

3 min read
12:17UTC

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
Israel
Israel
The IDF struck a Lebanese army unit on 6 June, killing a colonel, and privately told Moscow that shelling near Bushehr was accidental, per Putin's SPIEF disclosure. Israel is advancing in Lebanon past an unenforced ceasefire text while maintaining a back-channel to Russia on nuclear-site deconfliction.
Lebanon
Lebanon
President Aoun told CNN on 5 June that Iran uses Lebanon as a bargaining chip and urged Hezbollah toward diplomacy; on 6 June an IDF strike killed a Lebanese army colonel on the Khardali-Nabatieh road. The Lebanese state is publicly rejecting Iranian tutelage while the army sustains casualties from Israeli fire and the Washington framework remains unenforced.
Bahrain
Bahrain
Bahrain's US Fifth Fleet headquarters was among the targets in the 5-6 June two-country salvo; its PAC-3 magazine stands at 87 per cent depletion with an 18-month resupply gap and no comparable arms sale has been announced. The state is defending a critical US regional command on a thinning interceptor stock.
Kuwait
Kuwait
Kuwait received a $1.98bn US counter-drone sale approval on the same day IRGC missiles targeted its bases; it expelled two Iranian diplomats on 4 June and filed a formal protest. The arms approval gives Kuwait a future capability but leaves a 6-18 month delivery gap that the salvo tempo is already pressing.
Russia
Russia
Putin reaffirmed Russia's offer to hold Iran's 440.9 kg HEU at SPIEF on 6 June, said Russia is not arming Iran, and disclosed that both the US and Israel privately told Moscow that shelling near Bushehr was accidental. The restatement casts Moscow as the only remaining mediator both sides call, a position serving Russian interests whatever the nuclear file produces.
Iran
Iran
The IRGC, per Iranian state media, fired seven ballistic missiles at US bases in Kuwait and Bahrain, the largest two-country salvo of the war, and framed the launches as lawful retaliation; Foreign Minister Araghchi rejected Aoun's bargaining-chip accusation and Velayati warned Beirut against diplomatic naivety. Tehran has sent no HEU counter-proposal since Araghchi confirmed no progress on 4 June.