Skip to content
Welcome, thoughtbot's Giant Robots listeners!Start here
Iran Conflict 2026
17OCT

US flies its last troops out of Erbil

3 min read
18:37UTC

US Central Command flew its last troops out of Erbil Air Base on 30 September, closing the Iraq leg of a counter-Islamic State mission that has run since 2014. The written American answer to Tehran had reached Iran's foreign minister in Doha the day before.

ConflictDeveloping
Key takeaway

America gave up its only land basing next to Iran while holding its carrier force at two.

US Central Command (CENTCOM), the command that runs American forces across the Middle East, flew its last troops out of Erbil Air Base in northern Iraq on Wednesday 30 September 2026⁠1⁠2. The departure closed the Iraq leg of Operation Inherent Resolve, the counter-Islamic State mission, where most of the 1,500 American and coalition personnel on that mission in Iraq were based⁠3⁠4.

The task force itself did not close. The Combined Joint Task Force (CJTF-OIR), the standing command that has run the campaign against Islamic State since 2014, has moved its headquarters to Jordan and continues working in Syria⁠5. What ended on 30 September was the Iraq leg, not the campaign. The drawdown ran on a timetable Washington and Baghdad agreed in September 2024, through the handover of Ain al-Asad Airbase to the Iraqi army in January 2026. Admiral Brad Cooper, who commands CENTCOM, told the departing force that "because of your grit, sacrifice and professionalism, ISIS no longer poses a systemic threat to Iraq's national security"⁠6.

At sea the commitment held; it did not grow. The aircraft carrier USS Theodore Roosevelt sailed on Sunday 27 September to relieve USS George Washington⁠7. It is the fifth American carrier sent to this war, and the relief keeps the force at two strike groups rather than building to three⁠8. Leaving the land, staying at sea.

Neither move was decided in the nine days it landed in. Erbil took two years to schedule and a carrier relief is a rotation, so a reader looking for intent should weigh the departure above any speech. The basing that made an Iraq-launched American strike available has gone, and nothing available in weeks replaces it. Tehran's own pressure track is still unspent: a bill for Iran to leave the Nuclear Non-Proliferation Treaty, filed under the fastest procedure Iran's parliament has, sits unscheduled on the Speaker's desk at the Majlis.

Deep Analysis

In plain English

Since 2014 the United States has kept troops in Iraq to fight Islamic State, and most of them worked out of an air base at Erbil, in the Kurdish north. On 30 September 2026 the last of them flew out and Iraqi forces took over. The task force that ran the mission has not closed down; it has moved its headquarters to Jordan and carries on working in Syria. This matters because Iraq shares a long border with Iran, and the United States is at war with Iran. American aircraft flying from Iraqi soil could reach Iranian targets quickly. Now that option has gone. What remains in the region is at sea or on bases owned by Gulf governments, and those governments can say no to a mission they do not want launched from their territory. The same week, the aircraft carrier USS Theodore Roosevelt sailed to swap places with USS George Washington. That keeps two carriers in the region, the same number as before, rather than adding a third.

Deep Analysis
Root Causes

The mission's legal footing in Iraq was counter-Islamic State, agreed with Baghdad and dated to 2014, and it carried no authority covering hostilities with Iran. Once Iraqi governments had set a withdrawal calendar in September 2024, keeping Erbil open for a different war would have required a new agreement that no Iraqi cabinet has offered.

Erbil was the task force's main operational hub and held most of the 1,500 American and coalition personnel on the mission. Closing it moves every land-launched American sortie in the theatre onto an airfield owned by a Gulf government with its own working relationship with Tehran, which converts a basing question into a question of who may refuse a mission.

Escalation

Sideways, and the carrier rotation is the reason. Relieving USS George Washington with USS Theodore Roosevelt holds the force at two strike groups rather than building to three, which is a commitment to continue rather than to widen.

The signal to watch is a third carrier being ordered to the Central Command area, or a Gulf government publicly refusing an American sortie from its soil, which is the first point at which the loss of Iraqi basing becomes a real constraint rather than a notional one.

What could happen next?
  • Consequence

    With Erbil closed, any American land-launched strike on Iran needs permission from a Gulf host government, so a third country gains a veto it did not previously hold.

    Immediate · Assessed
  • Meaning

    Washington reduced its forward land options in the week its envoys were exchanging written terms with Tehran through Doha, which runs against the public language of escalation.

    Short term · Assessed
  • Precedent

    A departure scheduled over two years with Baghdad cannot be reversed in a week, which makes it a harder read on American intent than any speech.

    Medium term · Assessed
  • Risk

    Islamic State retains a presence in Syria, where the task force continues to operate from Jordan, so a resurgence in Iraq would have to be answered without the Erbil hub.

    Long term · Suggested
First Reported In

Update #180 · Washington left Iraq as it answered Tehran

US Central Command· 1 Oct 2026
Read original →
Causes and effects
This Event
US flies its last troops out of Erbil
The only American land basing adjacent to Iran has gone, on a timetable agreed two years ago and impossible to rebuild in a week.
Different Perspectives
International Energy Agency
International Energy Agency
G7 members agreed on 2 October to release up to 100 million barrels through the IEA over four months, front-loading diesel.
China
China
China signed the 15 October text reaffirming the Resolution 2216 arms embargo on the Houthis. The Wall Street Journal reported that Conflict Armament Research found Chinese parts in a Houthi copy of Iran's Kheibarshekan missile.
Russia
Russia
Russia joined the 15 October consensus condemning the Houthis, a month after vetoing a mandate for a UN panel of experts on Iran sanctions on 17 September. One Western official told Bloomberg that Moscow is providing Iran with missiles, and the White House rejected the assessment.
India
India
National Security Adviser Ajit Doval raised seafarer safety with Mohsen Rezaei on 12 October, after a drone hit the Petro Dolphin with 11 Indians aboard at Sohar. External Affairs Minister S. Jaishankar urged that attacks on commercial shipping and seafarers be avoided.
Lebanon
Lebanon
President Joseph Aoun met UN peacekeeping chief Jean-Pierre Lacroix in Beirut on 14 October as UNIFIL winds down before its mandate ends on 31 December. Two days later Qatar's prime minister pledged in Beirut to fund a solar plant for Lebanon.
Kataib Hezbollah
Kataib Hezbollah
The militia announced a halt to operations except against "hostile aircraft" and denied any disarmament deal with Prime Minister Ali al-Zaidi. A day later Quds Force chief Esmail Qaani urged eliminating "remaining traces of the US presence in other arenas".

Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.