US anti-ISIS mission in Syria — historical
The US military presence that anchored the anti-ISIS campaign and the SDF partnership from 2015 — ended with the handover of the last major base to the Syrian government on 16 April 2026. Historical record, broad structural level only.
About this record
Stub — a structured placeholder meeting the public-stub threshold: name, place in the force tree, broad role, and a dated status. A full profile follows source review.
Related organisations
- Syrian state forces (Ministry of Defence) Cooperated with · as of 2026-04 · moderate confidence
Brokered the 30 January 2026 integration agreement between Damascus and the SDF, having spent the preceding decade partnered with the other side of it. The military relationship ended with the completion of the withdrawal in April 2026; residual engagement runs through diplomacy and the sanctions certification cycle.
- Syrian Democratic Forces (SDF) External supporter of · as of 2026-04 · high confidence
Partnership from 2015 through the anti-ISIS campaign and the years of self-administration that followed. The military relationship ended with the completion of the US withdrawal in April 2026; residual engagement is diplomatic.
Lineage & institutional history
Related locations
Deir ez-Zor: The coalition campaign that ended the territorial caliphate.
Campaigns
Campaigns naming this organisation as a participant. The campaign record owns the relationship and grades it; this list is computed.
- The anti-ISIS campaign and the residual insurgency Supporting force · Since September 2014 · high confidence · as of 2026-04
Air power, special forces and enabling support from September 2014 until the completion of the US withdrawal in April 2026. Recorded as a historical presence; residual influence runs through diplomacy.
- Northeast integration External supporter · Since March 2025 · high confidence · as of 2026-04
Broker of the 30 January 2026 agreement and, for a decade before it, the SDF's principal external partner. Its military presence ended in April 2026; the record is retained as historical.
Key events
The United States completes its withdrawal
Following January strikes against ISIS after a deadly ambush, and with the integration agreement in place, US forces draw down from February and hand over their last major base to the Syrian government on 16 April 2026 — ending more than a decade of military presence that began with the anti-ISIS campaign in 2015.
Assessed as of2026-04
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