Following a 2024 agreement between Washington and Baghdad, the United States military has officially concluded its presence in Iraq as of September 30. While the mission marks the end of a twenty-year involvement, the departure leaves the Iraqi government facing significant challenges from armed factions loyal to Iran.

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From the 2003 Invasion to the 70% Drop in ISIS Attacks

The U.S. military presence in Iraq has undergone a massive transformation since the initial 2003 invasion that removed Saddam Hussein from power. What began as a direct combat mission has evolved into a support role focused on training and intelligence. According to CENTCOM commander Adm. Brad Cooper, ISIS attacks in Iraq and Syria have plummeted by 70% since 2023, reaching their lowest levels since 2013.

This decline in the Islamic State threat allowed the U.S. to shift its strategy toward Operation Inherent Resolve, moving headquarters to Amman, Jordan, earlier this year. The Defense Intelligence Agency (DIA) noted this summer that ISIS remains "severely degraded" and lacks the capacity to exploit the current regional instability caused by the conflict with Iran. This shift allowed the Pentagon to begin moving much of its counterterrorism infrastructure out of the country.

The June 30, 2027 Deadline for Militia Disarmament

Iraqi Prime Minister Ali al-Zaidi is now attempting to manage a domestic security crisis as the U.S. mission concludes. While the American departure was scheduled for September 30 under a 2024 agreement, the task of reining in Iran-backed militias remains unfinished. The Iraqi government has proposed a new timeline, aiming to complete the disarmament process by June 30, 2027.

This proposed plan includes a 90-day period where armed groups would pause attacks in exchange for assurances that U.S. forces will not target them. However, as the report indicates, several powerful factions have already refused to surrender their weapons. U.S. military officials warned that these groups retain rockets, missiles, drones, and even air defense systems capable of threatening personnel across the region.

Risks Echoing the 2021 Afghanistan Withdrawal

The timing of the Iraq withdrawal brings immediate comparisons to the 2021 U.S. exit from Afghanistan. That departure, also under the Biden administration, was widely criticized as chaotic and resulted in the deaths of 13 U.S. service members. While the current transition in Iraq is driven by a formal agreement and a declining ISIS threat, the presence of heavily armed militias creates a volatile environment.

The historical context of the mission is complex, having seen a previous U.S. withdrawal in 2011 before forces returned in 2014 to fight ISIS. The danger to personnel was highlighted as recently as July, when Army Sgt. Michael Emmanuel Swinton was killed at Erbil Air Base during a controlled detonation of a downed Iranian attack drone. this incident underscores the persistent threat even during the final stages of the mission.

Will Baghdad Control the Rockets and Drones Left Behind?

Several critical questions remain regarding the security vacuum left by the departing U.S. military. It is currently unclear if the Iraqi government posssesses the political leverage to force the most stubborn militias to comply with the June 2027 deadline. While some factions initially agreed to disarm, others have remained defiant, and the DIA reported that Iran-aligned militias have launched hundreds of attacks.

Furthermore, the Pentagon has declined to provide details to Fox News Digital regarding whether any U.S. military involvement will continue in a limited capacity after the September 30 deadline. Without clarity on the U.S. "over-the-horizon" capabilities, the Iraqi government's ability to maintain order against well-armed,Iran-aligned groups remains unproven and highly uncertain.