Action chain to end the war between US and Iran

 

Below is a concise, research‑backed action chain to achieve two linked U.S. goals in the current conflict: (1) stop Iran from moving toward a nuclear weapon, and (2) reopen the Strait of Hormuz to safe commercial traffic.

Situation brief (why these steps matter)

• Since February 28, 2026, Iran has effectively shut down most transit through the Strait of Hormuz amid U.S.–Iran hostilities, pushing oil markets into emergency measures. IEA members approved an unprecedented 400 million barrel collective release, and DOE began a 172 million barrel U.S. SPR release in March 2026 to stabilize supply. But flows will not normalize until Hormuz reopens. (iea.org)
• IAEA reporting through 2025–2026 shows Iran produced and accumulated uranium enriched up to 60% U‑235, an unprecedented stock for a non‑nuclear‑weapon NPT state; inspector access and continuity of knowledge were degraded after mid‑2025 and further complicated by 2025–2026 strikes. Restoring intrusive verification is essential. (iaea.org)
• Legally, ships and aircraft enjoy a right of “transit passage” in international straits such as Hormuz; coastal states may not impede it (UNCLOS Part III). While Iran is not a party, many states view the regime as customary law and binding; practical de‑facto closure has still occurred through attacks, mines, and risk pricing. (un.org)
• The U.S. and Iran have intermittently paused strikes in late July 2026 amid Oman/Qatar‑facilitated talks; EIA data and IMO/insurer statements confirm that traffic remains sharply constrained and AIS data are unreliable since late February. (apnews.com)

Action chain (phased, with verification, incentives, and snap‑back)

Phase 0: Clarify U.S. end‑state and build the coalition (48–72 hours)

1. Publicly define the end‑state: immediate, unconditional resumption of unimpeded transit passage through the Strait of Hormuz; an IAEA‑verified halt to enrichment above 20% U‑235; restoration of full safeguards with Additional Protocol access; accounting for and disposition of all 60% material. Signal willingness to sequence limited, reversible economic steps if verifiably met. (un.org)
2. Lock in a political coalition and external pressure: align with the E3/EU on the 2025 UN/EU “snapback” path and maintain U.S. sanctions unity, while bringing in major Asian importers (Japan, Korea, India) to support enforcement and post‑reopening traffic. Keep SHIP Act enforcement central to squeeze illicit oil revenue that funds escalation. (eeas.europa.eu)
3. Task a small “Hormuz Contact Group” (U.S., Oman, Qatar, UK, France, UAE, Saudi Arabia, India, plus the IMO Secretariat) to manage an initial de‑escalation and navigation plan; Muscat remains the primary backchannel. (fm.gov.om)

Phase 1: Immediate maritime de‑escalation and safety corridor (Days 1–10)
4) Negotiate a 14‑day reciprocal stand‑down window focused on maritime attacks around the strait, verified by a Joint Maritime Cell in Muscat staffed by the Contact Group, with a direct U.S.–Iran deconfliction line for tanker transits. Use the existing IMO traffic separation scheme as the base route. (apnews.com)
5) Stand up a “Hormuz Safe Navigation Arrangement”:

• Security: CMF/IMSC coordinate layered escorts and surveillance; CTF‑152 provides visible multinational presence inside the Gulf; CTF‑52 executes mine countermeasures (manned/unmanned/EOD) to clear declared danger areas and certify lanes. (centcom.mil)
• Insurance: work with London market to align war‑risk underwriting with the certified lanes and stand‑down window; support the June 2026 Lloyd’s consortium to restore capacity; pair with U.S./allied loss‑sharing backstops if needed. (lloyds.com)
• Compliance: require AIS on, disciplined routing, and Contact Group reporting for all convoys; note EIA’s warning that AIS data have been unreliable since late February and compensate with multistatic radar, drones, and satellite tasking. (eia.gov)

Phase 2: “Freeze‑for‑freeze” nuclear steps tied to maritime reopening (Days 1–30)
6) On Day 1 of the stand‑down, secure written Iranian commitments to:

• Freeze enrichment ≥60% immediately; no new centrifuge cascades; no new construction at sensitive sites. (iaea.org)
• Restore IAEA “surge access,” cameras/online monitors, and material accountancy to locate and verify all 60% stocks and HEU/LEU inventories lost to continuity‑of‑knowledge gaps. (iaea.org)

7. Offer proportional, reversible steps if verified within 14–21 days:
   • Narrow, time‑boxed OFAC accommodations for specific humanitarian channels and escrowed oil sales that do not deliver net new hard currency to sanctioned entities; maintain SHIP Act/OFAC pressure on the shadow fleet. (ofac.treasury.gov)
   • Maritime: expand certified safe lanes and insured convoy throughput as verification milestones are met; publicly post daily convoy slots via the Joint Maritime Cell to normalize expectations. (lloyds.com)
8. By Day 30, require disposition of the 60% stock: down‑blend to ≤20% under IAEA seals or transfer excess material to IAEA custody (e.g., to the IAEA LEU Bank in Kazakhstan) pending a longer agreement. Link each tranche to additional convoy capacity and insurance normalization. (iaea.org)

Phase 3: Consolidate and widen reopening (Month 2–3)
9) Scale mine‑clearing/certification until full TSS capacity is restored; publish lane status through IMO and the Contact Group; reopen individual ports on rolling safety certifications. Maintain visible but non‑provocative coalition naval coverage. (imo.org)
10) Energy stabilization while lanes ramp:

• Continue coordinated IEA stock releases and calibrated U.S. SPR exchanges until throughput normalizes; taper as certified capacity rises. (iea.org)
• Support regional bypasses (e.g., pipelines) and diversified routing to reduce vulnerability to any renewed closure threat. (apnews.com)

11. Begin a “JCPOA‑plus” track with E3/EU and IAEA to codify:

• Cap enrichment ≤3.67–5% with monitored stockpile limits; verified dismantlement/mothballing at Fordow‑type underground sites; long‑duration monitoring; dispute resolution that protects inspector access. Sanctions relief phases only after verification. (consilium.europa.eu)

Enforcement and guardrails throughout

• Maintain pressure on Iran’s illicit oil networks and “shadow fleet” under the SHIP Act and existing E.O.s; keep publishing OFAC advisories so counterparties see enforcement risk. (eia.gov)
• Keep a limited, clearly communicated military deterrent focused on protecting shipping and counter‑mine/air‑defense/ISR, avoiding strikes that collapse talks or incentivize covert dispersal of nuclear material. Historical and 2025–2026 evidence suggests strikes can delay but not end nuclear advances and may complicate IAEA accounting. (investing.com)
• Anchor the legal case in transit passage norms; work with IMO to formalize the temporary arrangement and with the UN (and key importers) to condemn impediments to passage. (un.org)
• Harden maritime cyber/GNSS/AIS and port security to reduce the effect of spoofing and deception during reopening. (arxiv.org)

Decision branches (if/then)

• If Iran verifiably freezes ≥60%, restores full IAEA access, and begins down‑blending: incrementally widen insured convoys, expand port reopenings, and deliver limited, escrow‑based economic steps; proceed into a JCPOA‑plus negotiation with phased relief only after milestones. (iaea.org)
• If Iran reneges or resumes attacks/impediments in the strait: snap back any accommodations; intensify SHIP Act/OFAC actions against facilitators and vessels; expand convoyed transits with broader multinational participation; if required, conduct proportional, publicly justified interdictions of attack platforms threatening shipping while continuing mine clearance. (eia.gov)

Metrics to track success (weekly)

• Maritime: number of certified convoy transits, days without attacks, insurance APs (additional premiums) trending down along certified lanes. (lloyds.com)
• Nuclear: IAEA inspector access restored; continuity‑of‑knowledge re‑established; kilograms of 60% material down‑blended or transferred; enrichment levels capped and verified. (iaea.org)
• Markets: Brent backwardation eases; IEA/DOE report declining reliance on emergency stocks as Hormuz throughput recovers. (iea.org)

Why this chain is calibrated

• It pairs verifiable nuclear steps with immediate, tangible maritime benefits that Iran and the market can see (safer lanes, cheaper insurance), while preserving allied economic pressure if Tehran backslides. It uses existing security architectures (IMSC/CMF, CTF‑152/52), legal norms (transit passage), and trusted mediators (Oman/Qatar), recognizes current pauses in strikes, and directly addresses the two practical bottlenecks to reopening—mines/attacks and war‑risk pricing. (centcom.mil)

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Learn more:

1. IEA Member countries to carry out largest ever oil stock release amid market disruptions from Middle East conflict - News - IEA
2. Derestricted 11 September 2025
3. UNITED NATIONS CONVENTION ON THE LAW OF THE SEA
4. US and Iran pause their attacks after days of escalation
5. Iran: Statement by the High Representative on the reintroduction of nuclear sanctions and restrictions | EEAS
6. Minister holds consultations with Iranian and US delegations | fm.gov.om
7. Mediators see progress in efforts to halt Iran war as drone attacks rattle region
8. International Maritime Security Construct Holds Change of Command > U.S. Central Command > News Article View
9. Launch of new marine war risk consortium to support Strait of Hormuz shipping
10. Short-Term Energy Outlook - U.S. Energy Information Administration (EIA)
11. Iran Sanctions | Office of Foreign Assets Control
12. GOV/2020/28-GC(64)/5*
13. Middle East
14. Mideast oil producers step up plans to bypass the Strait of Hormuz
15. Iran's nuclear agreement - Consilium
16. International - U.S. Energy Information Administration (EIA)
17. US strikes on Iran nuclear sites are real-life test of hard power’s limits By Reuters
18. Maritime Cybersecurity: A Comprehensive Review
19. IEA confirms Member country contributions to collective action to release oil stocks in response to Middle East disruptions - News - IEA