Operation Inherent Resolve Concludes as Final US and UK Troops Exit Iraq After Decadelong Mission

The final contingent of British and American military personnel has officially departed Iraq, bringing an end to a decadelong international coalition mission against the Islamic State. Iraqi security forces have now assumed full operational control of the nation's defense apparatus.

By Nexvoro Tech Wire
PUBLISHED WED, SEP 30, 2026 2:16 PM UTC • 6 MIN READ

KEY POINTS

  • •The final contingent of approximately 100 British troops and remaining US forces have officially departed Irbil, ending a military presence spanning over a decade.
  • •The withdrawal fulfills a bilateral agreement signed two years ago between the United States and the Iraqi government to phase out foreign forces by the end of the month.
  • •Operation Inherent Resolve officially concludes, with Iraqi Security Forces and the Kurdish Peshmerga assuming absolute operational control over national defense.
  • •Iraq is celebrating the transition with four national 'Sovereignty Days' holidays as the government takes primary responsibility for managing remaining IS remnants and regional militia challenges.
Operation Inherent Resolve Concludes as Final US and UK Troops Exit Iraq After Decadelong Mission
PHOTO VIA BBC WORLDNEXVORO EDITORIAL WIRE

End of an Era: Final US and British Personnel Depart Irbil

The last remaining British and American military personnel have officially departed Iraq, drawing a definitive curtain on a foreign military presence that has spanned more than a decade. The exit of the final UK military contingent - numbering approximately 100 personnel stationed in Irbil within the northern Kurdistan region - was carefully coordinated over recent weeks alongside departing United States forces, who concluded their withdrawal operations on Wednesday.

This strategic departure follows a formal bilateral agreement struck between the United States and the Iraqi government two years ago, establishing a strict timeline to phase out and withdraw all remaining foreign combat and support troops by the end of this month. The historic transition marks a profound shift in regional dynamics, fundamentally altering the security architecture of the Middle East as local authorities step into a fully independent leadership role.

A Decade of Coalition Operations Under Operation Inherent Resolve

British and US forces have maintained a continuous, active military presence in Iraq since 2014, operating as the anchor of a broader international coalition assembled to combat and ultimately defeat the extremist Islamic State (IS) group. Their collective departure brings the mission, formally designated as Operation Inherent Resolve, to a definitive and successful conclusion after years of intense operational engagement.

Reflecting on the milestone, Iraqi Prime Minister Ali al-Zaidi declared that the termination of the coalition's combat mission marks "Iraq's transition to a phase in which it assumes full responsibility for its security and stability." In celebration of this sovereignty milestone, the Iraqi government has organized four consecutive "Sovereignty Days" designated as a national holiday across the country to commemorate the full restoration of national security command.

Transition to Domestic Leadership and Institutional Readiness

Detailing the transition of power, the UK Ministry of Defence (MoD) released an official statement outlining the scope of achievements over the past ten years. "Following more than a decade of operations, training and capacity building, Iraqi Security Forces (ISF) and the Kurdish Peshmerga have secured the enduring territorial defeat of Daesh in Iraq and are now well placed to take primary responsibility for the country's security," the MoD stated, utilizing the Arabic acronym for the extremist organization.

The statement further emphasized that with these core strategic objectives successfully achieved, Iraq and its international partners can now pivot toward a renewed, modernized chapter centered entirely on enduring security cooperation conducted strictly under sovereign Iraqi leadership. Pentagon spokesman Sean Parnell echoed these sentiments, noting that the coalition's departure from Irbil signifies the successful conclusion of the military campaign that dismantled the physical caliphate.

Future Security Challenges and Regional Stability

Despite the successful closure of Operation Inherent Resolve and the formal declaration of IS's territorial defeat by the Iraqi government back in 2017 - after which coalition forces remained primarily to prevent any resurgence - observers note that significant regional hurdles remain. Pentagon officials emphasized that the burden of addressing remaining security complexities now falls squarely on local authorities.

"The primary responsibility for addressing Iraq's remaining security challenges, including [IS] remnants and Iran-aligned militias that undermine Iraqi sovereignty and regional stability, now rests with the government of Iraq," Parnell asserted. As foreign troops complete their logistical exodus, global markets and international policy desks will closely monitor how domestic forces manage these persistent internal and external security vectors.

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Reporting synthesized under Nexvoro.tech Editorial Standards • Referenced via BBC World
Verified Dispatch
Related Tickers:#US MILITARY#UK DEFENSE#MIDDLE EAST POLICY#PENTAGON#INTERNATIONAL RELATIONS

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