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Iran Conflict 2026
6JUN

IRGC adopts one-tonne minimum warhead

2 min read
12:17UTC

The IRGC announced it will fire only missiles carrying 1,000kg-plus warheads — a doctrinal shift from overwhelming volume to concentrated destructive power, made hours after Israel struck its command headquarters.

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Majid Mousavi, IRGC Air and Space Force commander, declared that Iran will no longer launch missiles with warheads under one tonne. All future strikes will carry 1,000kg-plus warheads, with increased "intensity and frequency" of fire. Iran followed the announcement with its first missile wave under Mojtaba Khamenei's authority, claiming launches of one-tonne warheads at Ben Gurion Airport.

The shift from saturation to concentration is Iran's answer to CENTCOM's claimed 90% reduction in ballistic missile strikes from Day 1 . Fewer launches, more destructive energy per strike. The doctrine change reflects both strategic adaptation and material constraint: Israeli strikes on 50 ammunition storage shelters across Iran on the same day, combined with ten days of sustained bombing of launch infrastructure, have depleted lighter missile stockpiles. The 109 drones and 9 ballistic missiles Iran launched at the UAE on Friday alone demonstrated that dispersed capacity survived the destruction of central command — but lighter munitions are finite, and the burn rate has been extraordinary.

Heavier warheads present a different problem for Israel's layered air defences. Arrow-3 and David's Sling intercept at altitude, where trajectory prediction is most reliable. A 1,000kg warhead carries greater kinetic energy on terminal descent, narrowing the interception window for lower-tier systems and increasing damage if interception fails. Whether the shift translates to greater impact depends on a variable the announcement cannot address: inventory. Iran's Kheibarshekan and Emad missiles can carry payloads in this range, but the number of one-tonne warheads available is unknown outside Tehran's planning cells. If stocks are deep, the doctrine functions as escalation. If they are shallow, the announcement dresses a final expenditure as strategy.

The IRGC Aerospace Force headquarters and drone command centre in Tehran were struck by the IDF hours before the announcement. That Iran could declare a new warhead doctrine and execute its first launches under it on the same day means either the shift was pre-planned before the headquarters fell, or the IRGC's devolution to 31 autonomous provincial commands provides sufficient redundant command capacity to absorb the loss of central headquarters and escalate simultaneously. The IRGC's pledge of "complete obedience" to Mojtaba Khamenei came the day before; this doctrine is the first operational expression of that pledge.

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Update #31 · Iran moves to heavy warheads; China deploys

JFeed· 10 Mar 2026
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Different Perspectives
IAEA (Board of Governors, Vienna)
IAEA (Board of Governors, Vienna)
Grossi's 4 June Board report invoked 'loss of continuity of knowledge' on Iran's 440.9 kg stockpile after 97 days without access, the IAEA's formal finding that the evidentiary break cannot be retroactively closed. A Board censure resolution before 12 June would harden Iran's refusal to restore access.
Russia (Kremlin / SPIEF)
Russia (Kremlin / SPIEF)
Putin reaffirmed Russia's offer to hold Iran's uranium at the St Petersburg Economic Forum on 6 June, positioning Moscow as the preferred custodian even after Trump vetoed the arrangement on 27 May. The offer allows Russia to present itself as a constructive actor while the IAEA verification gap renders any custodian arrangement unworkable.
Bahrain (Government and US Fifth Fleet host)
Bahrain (Government and US Fifth Fleet host)
Bahrain's PAC-3 magazine reached 87% depletion after the 5 June IRGC salvo, with its resupply last in a Camden queue behind Qatar and Saudi Arabia. Manama hosts the US Fifth Fleet with terminal air defences that the supply chain cannot replenish before 2027.
China (Ministry of Commerce)
China (Ministry of Commerce)
Washington designated Shanghai Qianye Energy on 5 June, the first mainland Chinese firm under Iran energy sanctions this war, the same week Beijing was pitched as a uranium custodian. China has not yet invoked its Blocking Statute; whether it absorbs the designation as a calibrated cost or retaliates is unresolved.
Iran (IRGC and Expediency Council)
Iran (IRGC and Expediency Council)
The IRGC fired seven ballistic missiles at US bases in Kuwait and Bahrain on 5 June and Rezaei doubled the asset precondition to $24bn on 6 June, blocking both military and diplomatic de-escalation simultaneously. Tehran's hardliners are setting terms the civilian Foreign Ministry cannot override.
Trump administration (White House)
Trump administration (White House)
Trump claimed the uranium was 'entombed' and the deal '95% done' on 4 June, while signing no Iran executive instrument across Days 99-100. The gap between presidential assertion and signed executive action is now 100 days wide and structurally unchanged.