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2026 Iran war

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1. What we know so far
2. 20 October 2026: Brent crude passed $111 a barrel, reaching a five-month high, as Qatar and Pakistan presented a joint proposal to Washington and Tehran to revive US-Iran nuclear talks.
3. 20 October 2026: Iran's Supreme National Security Council Secretary Mohsen Rezaei declared Iran will bar export of its enriched nuclear material.
4. 20 October 2026: Iranian President Pezeshkian met Pakistan army chief Asim Munir in Tehran to discuss mediation efforts, CBS News reported.
5. 20 October 2026: Iranian Foreign Minister Araghchi said Iran and Russia have never worked more closely than now, following Russian Foreign Minister Lavrov's 19 October visit to Tehran.
6. 19 October 2026: Israeli Prime Minister Netanyahu released a video of a call with President Trump in which Netanyahu said they had a job to finish on Iran, and US Defense Secretary Pete Hegseth visited Israel to meet Netanyahu.
7. 16 October 2026: US Central Command (USCENTCOM) commander Adm. Brad Cooper said the US naval blockade had prevented Iran from exporting $25 billion in crude oil and frozen about $350 million in Iranian cryptocurrency holdings.
8. 16 October 2026: Iranian President Pezeshkian told a UN nature summit in Armenia that the Middle East conflict amounts to ecocide.
9. 8 October 2026: President Trump said the US would not resume military strikes on Iran before the 3 November midterm elections.
10. 26 September 2026: President Trump rejected Iran's seven-day ceasefire proposal.
11. Started: 28 February 2026
12. US operation name: Operation Epic Fury
13. Israeli operation name: Operation Roaring Lion
14. Iranian operation name: Operation True Promise IV
15. US service members killed (Pentagon, October 2026): 21
16. US service members wounded (Pentagon, October 2026): 865
17. Deaths in Iran per HRANA: 3,636
18. US defense cost estimate: $43.6 billion
19. Background
20. The United States calls its initial air campaign against Iran Operation Epic Fury, Israel calls its campaign Operation Roaring Lion, and Iran calls its response Operation True Promise IV. American media have generally referred to the conflict as the Iran war; some outlets called it the Third Gulf War, and Iranian state media called it the Third Imposed War. On 28 February 2026 the United States and Israel launched hundreds of air strikes against targets across Iran, and a strike on Supreme Leader Ali Khamenei's residential compound killed him. On 1 March 2026 an Interim Leadership Council was established in Iran to exercise the functions of head of state after Khamenei's death. Iran blocked the Strait of Hormuz during the war and in late March 2026 declared sovereignty over it.
21. On 28 March 2026 the Houthis entered the conflict, launching ballistic missiles toward Israel. A two-week ceasefire, mediated by Pakistan, began on 8 April 2026 between the United States, Israel and Iran. The Islamabad Talks between the United States and Iran on 12 to 13 April 2026 ended without an agreement. On 17 June 2026 the United States and Iran signed a memorandum of understanding to end the war, signed by President Trump and Iranian President Pezeshkian. On 28 June 2026 the United States and Iran agreed to stop exchanging attacks with each other.
22. Timeline
23. 2026-02-28: US and Israeli forces launch air strikes against Iran; Supreme Leader Ali Khamenei is killed in a strike on his residential compound.
24. 2026-03-01: An Interim Leadership Council is established in Iran to exercise the functions of head of state.
25. 2026-03-28: The Houthis join the war, launching ballistic missiles toward Israel.
26. 2026-04-08: A two-week ceasefire mediated by Pakistan begins between the United States, Israel and Iran.
27. 2026-04-13: Islamabad Talks end without agreement; the United States imposes a naval blockade of Iranian ports.
28. 2026-06-17: A US-Iran memorandum of understanding to end the war is agreed and signed.
29. 2026-06-28: The United States and Iran agree to stop exchanging attacks.
30. 2026-08-25: The US Treasury announces Operation Economic Outcast, a new sanctions campaign against Iran.
31. 2026-09-26: President Trump rejects Iran's seven-day ceasefire proposal.
32. 2026-10-08: President Trump says the United States will not resume strikes on Iran before the 3 November midterm elections.
33. 2026-10-16: CENTCOM commander Adm. Brad Cooper says the US naval blockade has prevented $25 billion in Iranian oil exports and frozen about $350 million in Iranian cryptocurrency.
34. 2026-10-20: Qatar and Pakistan present a proposal to revive US-Iran nuclear talks; Iran's Mohsen Rezaei says Iran will bar export of enriched nuclear material.
35. Parties and their stated positions
36. The United States, Israel and Iran are the principal combatants, with the Houthis acting in support of Iran after entering the conflict on 28 March 2026. Each side's stated military name for its operations is Operation Epic Fury (United States), Operation Roaring Lion (Israel) and Operation True Promise IV (Iran). CBS News records that Russian Foreign Minister Sergey Lavrov visited Tehran on 19 October 2026 in his first trip to Iran since the war began, meeting Iranian officials.
37. In a video call released on 19 October 2026, Israeli Prime Minister Netanyahu told President Trump that they had a job to finish on Iran. CBS News states that US Defense Secretary Pete Hegseth made an unannounced visit to Israel on 19 October 2026 and met Netanyahu. Iranian President Pezeshkian told a UN nature summit in Armenia on 16 October 2026 that the Middle East conflict amounts to ecocide. Iranian Foreign Minister Araghchi said on 20 October 2026 that Iran and Russia have never worked more closely than now, and President Pezeshkian met Pakistan army chief Asim Munir in Tehran on the same day. On 20 October 2026 Iran's Supreme National Security Council Secretary Mohsen Rezaei declared Iran will bar export of its enriched nuclear material.
38. Diplomacy and negotiations
39. A two-week ceasefire mediated by Pakistan began on 8 April 2026 between the United States, Israel and Iran. The Islamabad Talks between the United States and Iran on 12 to 13 April 2026 ended without an agreement. On 17 June 2026 a memorandum of understanding to end the war was agreed and signed by President Trump and Iranian President Pezeshkian. On 28 June 2026 the United States and Iran agreed to stop exchanging attacks. On 26 September 2026 President Trump rejected Iran's seven-day ceasefire proposal.
40. According to CBS News, on 20 October 2026 Qatar and Pakistan presented a compromise proposal to Washington and Tehran to revive US-Iran nuclear talks. The same day Iranian President Pezeshkian met Pakistan army chief Asim Munir in Tehran to discuss mediation efforts. CBS News records that on 19 October 2026 Russian Foreign Minister Lavrov visited Tehran, his first visit since the war began. Iranian Foreign Minister Araghchi said on 20 October 2026 that Iran and Russia have never worked more closely than now. CBS News states that UN Secretary-General Antonio Guterres attended a 16 October 2026 nature summit in Armenia where President Pezeshkian called the conflict an ecocide.
41. Military events
42. On 28 February 2026 United States and Israeli forces launched hundreds of air strikes against targets across Iran, including a strike that killed Supreme Leader Ali Khamenei. By 4 March 2026 USCENTCOM said the United States had destroyed 19 Iranian ships and one submarine. By 21 March 2026 USCENTCOM reported it had struck more than 8,000 Iranian military targets, including 130 vessels. By 28 March 2026 USCENTCOM said it had struck more than 11,000 targets in Iran since the war began. The Houthis joined the conflict on 28 March 2026, launching ballistic missiles toward Israel.
43. The Pentagon's October 2026 count of US service members killed in the war was 21, and wounded was 865. On 8 July 2026 CENTCOM struck over 80 Iranian targets in retaliation for Iranian attacks on commercial vessels. According to CBS News, the IRGC and Iran's army have, in October 2026, struck and set ablaze multiple tankers attempting to transit the Strait of Hormuz via routes Tehran considers illegal. Brad Cooper said on 16 October 2026 that the US naval blockade had prevented Iran from exporting $25 billion in crude oil and frozen about $350 million in Iranian cryptocurrency holdings.
44. Humanitarian impact
45. Iranian state media reported 1,270 deaths in the war as of late March 2026. Iran's UN ambassador said on 6 March 2026 that at least 1,332 people had been killed in Iran since the war began. HRANA documented 3,636 deaths in Iran as of 7 April 2026: 1,701 civilians, 1,221 military personnel and 714 unclassified.
46. Pentagon figures for October 2026 recorded 21 US service members killed and 865 wounded. Figures for Iranian forces killed differ by reporter: the Israel Defense Forces stated 6,000 IRGC members killed and about 15,000 wounded by 15 March 2026; Iran International reported at least 4,700 Iranian security forces killed and 20,880 injured as of 31 March 2026; Hengaw Organization for Human Rights estimated at least 6,620 members of the Iranian military killed as of 8 April 2026. Iranian President Pezeshkian told a 16 October 2026 UN nature summit in Armenia that the Middle East conflict amounts to ecocide.
47. Economic effects
48. The US Department of Defense estimated the war had cost $43.6 billion as of September 2026. The Congressional Budget Office reported $38 billion as of 1 August 2026, a figure lower than the Pentagon's estimate. Brad Cooper said on 16 October 2026 that the US naval blockade had prevented Iran from exporting $25 billion in crude oil and frozen about $350 million in Iranian cryptocurrency holdings. On 25 August 2026 the US Treasury announced Operation Economic Outcast, a new sanctions campaign against Iran.
49. On 20 October 2026 Brent crude passed $111 per barrel, reaching a five-month high, amid reports of attacks on shipping in the Strait of Hormuz. Iran's Supreme National Security Council Secretary Mohsen Rezaei declared on 20 October 2026 that Iran will bar export of its enriched nuclear material. CBS News records that on 20 October 2026 the IRGC and Iran's army struck and set ablaze multiple tankers attempting to transit the Strait of Hormuz via routes Tehran considers illegal.
50. International reactions
51. Pakistani mediation produced the two-week ceasefire that began on 8 April 2026, hosted the Islamabad Talks on 12 to 13 April 2026, and on 20 October 2026 co-presented a compromise proposal with Qatar to revive US-Iran nuclear talks. Russian Foreign Minister Sergey Lavrov visited Tehran on 19 October 2026 in his first trip since the war began, and Iranian Foreign Minister Araghchi said on 20 October 2026 that Iran and Russia have never worked more closely than now. CBS News states that UN Secretary-General Antonio Guterres attended the 16 October 2026 Armenia nature summit where Iranian President Pezeshkian called the conflict an ecocide.
52. On 8 October 2026 President Trump said the United States would not resume military strikes on Iran before the 3 November midterm elections. UKMTO and Marisks have reported attacks on shipping near the Strait of Hormuz during October 2026, even as President Trump and the US Navy have said the strait is mine-free and open; Iran's army, navy and IRGC have said it is closed.
53. Latest developments
54. On 26 September 2026 President Trump rejected Iran's seven-day ceasefire proposal. On 8 October 2026 President Trump said the United States would not resume strikes on Iran before the 3 November midterm elections. Brad Cooper said the US naval blockade had prevented Iran from exporting $25 billion in crude oil and frozen about $350 million in Iranian cryptocurrency holdings, and on the same day Iranian President Pezeshkian told a UN nature summit in Armenia that the conflict amounts to ecocide.
55. On 19 October 2026 Russian Foreign Minister Lavrov visited Tehran in his first trip since the war began; Israeli Prime Minister Netanyahu released a video of a call with President Trump in which Netanyahu said they had a job to finish on Iran; and US Defense Secretary Pete Hegseth visited Israel to meet Netanyahu. On 20 October 2026 Brent crude passed $111 per barrel, a five-month high.

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