US–Iran War 2026: Full Timeline, $47B Cost & What Happens After Nov 3
The US–Iran war is now eight months old, has cost American taxpayers an estimated $47.1 billion, and pushed oil back toward $117 a barrel. Now Washington is quietly telling its allies to brace for more strikes after the November 3 US midterm elections. Here is everything you need to know in one place: how the war started, every major turning point, Pakistan's role as peacemaker, and what could happen next
Quick Summary: US–Iran War at a Glance
- Started: February 28, 2026, with US and Israeli airstrikes on Iran
- Biggest shock: Supreme Leader Ali Khamenei was killed in the opening strikes
- Ceasefires: Pakistan brokered a truce in April and the Islamabad Memorandum in June, but the ceasefire collapsed on July 8
- Cost to the US: about $47.1 billion by mid-October (Pentagon estimate)
- Oil: Brent crude hit roughly $117 on October 24, its highest level since April
- What's next: US officials have warned allies that new strikes on Iran are possible after November 3
How Did the US–Iran War Start?
Tensions had been building for months. On February 25, 2026, the US Treasury sanctioned more than 30 people, companies and ships linked to Iran's oil shipping network. Three days later, on February 28, the United States and Israel launched major airstrikes across Iran. President Donald Trump announced "major combat operations," a campaign he has since called "Epic Fury."
The opening strikes killed Supreme Leader Ali Khamenei and many senior officials. Iran hit back with missiles and drones aimed at Israel, US bases and US-allied Gulf states, and it closed the Strait of Hormuz, the narrow waterway that a large share of the world's oil passes through.
In March, his son Mojtaba Khamenei was named Iran's new Supreme Leader. According to ABC News, he has not been seen in public since taking office.
US–Iran War Timeline: Every Key Moment
- Feb 28: US and Israel strike Iran. Khamenei is killed, Iran retaliates and the Strait of Hormuz is closed.
- Mar 6: Trump demands Iran's "unconditional surrender."
- Mar 25: Pakistan delivers a 15-point US ceasefire plan. Iran rejects it and sends a 5-point counter-proposal.
- Apr 7–8: A two-week ceasefire mediated by Pakistan takes effect.
- Apr 11–12: Talks in Islamabad led by US Vice President JD Vance and Iran's Abbas Araghchi and Mohammad Bagher Ghalibaf end after about 21 hours with no deal.
- Apr 13: The US imposes a naval blockade on ships entering or leaving Iranian ports.
- May 25: US strikes hit missile sites and mine-laying boats around Bandar Abbas.
- Jun 17: Both sides sign the Islamabad Memorandum, which sets a 60-day window to negotiate a final deal.
- Jul 8: The ceasefire collapses. Low-level fighting continues on and off.
- Late Sept: The Pentagon sends the USS Theodore Roosevelt and amphibious ships with about 9,000 troops to the Persian Gulf.
- Oct 24: Tankers hit mines near Hormuz and Brent crude rises to about $117.
- Oct 28: AP reports that the US has told allies to prepare for possible strikes, and Iranian retaliation, after the midterms.
Pakistan's Role: The Unexpected Peacemaker
One of the biggest stories of this war is Pakistan's role as the main mediator. Islamabad carried the first US ceasefire plan to Tehran, brokered the April truce, hosted the high-stakes Vance–Araghchi talks and gave its name to the June Islamabad Memorandum, which is still the main framework for peace. Pakistan and China also put forward a joint 5-point peace initiative in March.
On October 23 in Istanbul, the foreign ministers of Pakistan, Türkiye, Saudi Arabia and Egypt met their counterparts from the UK, France, Germany and Italy. The four regional countries again backed the Islamabad Memorandum and called for unrestricted passage through Hormuz. Turkish Foreign Minister Hakan Fidan said: "Military intervention in Iran is by no means a solution."
Strait of Hormuz and Oil Prices: Why the World Is Paying
The Strait of Hormuz is the economic heart of this war. Iran claims control of the waterway, and ships are still being attacked. The IRGC said seven tankers were hit or struck mines in a single night last week, and two supertankers hit mines the next day.
The result is higher prices everywhere. Brent crude climbed to about $117 a barrel on October 24, its highest since April. In the US, rising gas prices have become a major issue ahead of the midterms. For import-dependent countries like Pakistan, every jump in oil prices feeds straight into fuel and electricity bills.
The War in Numbers
| Figure | What it means |
|---|---|
| $47.1 billion | Pentagon estimate of the war's cost by mid-October, up from $43.6B in mid-September |
| $29 billion | Spent on munitions alone |
| ~$117 | Brent crude price per barrel on October 24 |
| 20,000+ | US sailors and Marines the new buildup could bring to the region |
| 3 carriers | US carrier strike groups in the Middle East in April, the first time since 2003 |
The Wider War: Houthis vs Saudi Arabia
The conflict has spread beyond Iran. Iran-backed Houthi rebels in Yemen have attacked Saudi Arabia's oil sites and airports, including targets in Riyadh, Dammam airport and the Shaybah oilfield. A Saudi-led coalition has answered with strikes on Houthi-held areas of Yemen. Fighting has also continued between Israel and Hezbollah in southern Lebanon.
What Happens After November 3?
This is the big question. According to the Associated Press, US officials have told several Middle East countries to prepare for possible renewed military action against Iran after the November 3 midterm elections. They said a new round could last several days and urged allies to protect energy sites and other key infrastructure. Trump has not made a final decision.
Trump's own messages are mixed. At a rally in Texas, he said the war could end "in a couple of weeks" and also that it would end "whenever I want it to end." In Florida, he said the military "may do another Epic Fury."
Iran says it is ready. Its chief of general staff, Ali Abdollahi, said Trump "can only dream" of US forces entering the Persian Gulf again. But Foreign Minister Abbas Araghchi said Tehran "continues to give diplomacy a chance to succeed," and the Wall Street Journal reported that JD Vance had reached out to Iranian figure Mohsen Rezaei.
Three possible scenarios:
- Short, intense US strikes after the elections, followed by Iranian and proxy retaliation on Gulf energy sites
- A last-minute return to talks built on the Islamabad Memorandum, with Pakistan and other mediators back at the centre
- The current grinding stalemate continues: blockade, tanker attacks, high oil prices and no deal
Frequently Asked Questions
When did the US–Iran war start?
It began on February 28, 2026, when the United States and Israel launched airstrikes on Iran.
Is there a ceasefire between the US and Iran?
No. A Pakistan-brokered ceasefire began in April and the Islamabad Memorandum was signed in June, but the truce collapsed on July 8. Talks are stalled.
How much has the Iran war cost the US?
About $47.1 billion by mid-October 2026, according to a Pentagon estimate reported by ABC News.
Why are oil prices so high?
Because shipping through the Strait of Hormuz has been disrupted by Iranian control, mines and attacks on tankers. Brent crude reached about $117 a barrel on October 24.
Will the US strike Iran after the midterm elections?
It is possible. The US has warned allies to prepare for strikes after November 3, but President Trump says he has not made a final decision.
This article will be updated as the story develops. Bookmark this page and follow us for the latest US–Iran war news.
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