US Ends Two-Decade Military Presence in Iraq, Ushering in New Regional Realities

The United States military officially completed its withdrawal of all American troops from Iraq on Wednesday, September 30, 2026, marking the end of a 12-year mission focused on defeating the Islamic State and over two decades of significant US military presence since the 2003 invasion. This landmark departure fulfills a 2024 agreement between Washington and Baghdad, now ushering in a new chapter for Iraq as it reclaims full security responsibility across its territory. While Iraqi Prime Minister Ali al-Zaidi celebrated the moment as 'Iraq's Sovereignty Day,' proclaiming a new phase of national strength, the withdrawal has ignited serious concerns among many, particularly in the Kurdistan Region and Sunni areas, about a potential security vacuum. Experts and local leaders fear a resurgence of Islamic State sleeper cells and increased assertiveness from powerful Iran-backed militias, some of whom openly hailed the US exit as a victory and have resisted government efforts to disarm. Moving forward, the US Pentagon stated it would continue targeted training and intelligence support from outside Iraq, transitioning to a bilateral security relationship, with a US-led counter-terrorism task force now headquartered in Jordan. The Iraqi government faces the critical challenge of consolidating control over all armed groups and effectively countering remaining ISIS threats, with a new deadline of June 2027 set for militia disarmament. The regional balance of power remains delicate, especially amid the ongoing US-Iran conflict, making Iraq's stability a key watchpoint.