What Happened to Operation Iraqi Freedom?
Operation Iraqi Freedom (OIF) was the U.S.-led invasion of Iraq that began in March 2003, aiming to disarm Iraq of weapons of mass destruction and remove Saddam Hussein from power. While major combat operations quickly concluded, the mission transitioned into a prolonged occupation and counter-insurgency effort, officially ending in August 2010. The subsequent withdrawal of U.S. troops in 2011 contributed to a power vacuum and the rise of ISIS, prompting a renewed U.S. military presence, which is now scheduled for a full withdrawal by September 30, 2026.
Quick Answer
Operation Iraqi Freedom (OIF) began in March 2003 with the U.S.-led invasion of Iraq, swiftly overthrowing Saddam Hussein's regime. The mission then evolved into an eight-year counter-insurgency campaign, officially concluding combat operations in August 2010, followed by a full U.S. troop withdrawal in December 2011. This created a power vacuum that contributed to the rise of the Islamic State (ISIS) in 2014, leading to a renewed U.S. military intervention under Operation Inherent Resolve. As of August 2026, the U.S. military is on track to complete a full withdrawal of its remaining forces from Iraq by September 30, 2026, marking the end of a two-decade presence.
📊Key Facts
📅Complete Timeline13 events
Operation Iraqi Freedom Begins
A U.S.-led coalition launches a 'shock and awe' invasion of Iraq, citing concerns about weapons of mass destruction and links to terrorism.
President Bush Declares End of Major Combat Operations
President George W. Bush delivers his 'Mission Accomplished' speech aboard the USS Abraham Lincoln, signaling the end of the initial invasion phase.
Coalition Provisional Authority Dissolves Iraqi Army
L. Paul Bremer issues Coalition Provisional Authority Order Number 2, dissolving the Iraqi Army and other Ba'athist state entities, contributing to widespread unemployment and fueling insurgency.
Saddam Hussein Executed
Former Iraqi President Saddam Hussein is executed by hanging after being found guilty of crimes against humanity by the Iraqi Special Tribunal.
U.S. Troop 'Surge' Announced
President Bush announces a 'surge' of approximately 20,000 additional U.S. troops to Iraq, primarily to secure Baghdad and Anbar province, aiming to stabilize the country.
Operation Iraqi Freedom Officially Ends
President Barack Obama declares the end of Operation Iraqi Freedom, marking the conclusion of U.S. combat operations in Iraq and transitioning to Operation New Dawn.
Final U.S. Troops Withdraw from Iraq
The last U.S. troops leave Iraq, formally ending the U.S. military presence after nearly nine years, as per the 2008 Status of Forces Agreement.
ISIS Launches Major Offensive in Iraq
The Islamic State of Iraq and Syria (ISIS) seizes Mosul and other large territories in northern Iraq, exploiting the post-withdrawal power vacuum and sectarian divisions.
Operation Inherent Resolve Begins
The U.S. and an international coalition launch Operation Inherent Resolve (OIR) to combat ISIS in Iraq and Syria, marking a renewed U.S. military intervention.
End of U.S. Combat Mission Against ISIS in Iraq
The U.S. formally ends its combat mission against ISIS in Iraq, transitioning to an advisory and assistance role for Iraqi forces.
U.S. Begins Transfer of ISIS Detainees from Syria to Iraq
The U.S. military begins transferring up to 7,000 ISIS suspects from detention centers in northeastern Syria to Iraq, following a jailbreak and shifting security situation in Syria.
New Iraqi Government Formed Under PM Ali al-Zaidi
After months of political stalemate, Prime Minister Ali al-Zaidi's government is approved, though partially, facing challenges of internal fragmentation and external pressures.
U.S. Reaffirms September 2026 Full Withdrawal Deadline
U.S. and Iraqi officials confirm that the U.S. military is on track to complete the withdrawal of all its forces from Iraq by September 30, 2026, marking the end of a two-decade presence.
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🔍Deep Dive Analysis
Operation Iraqi Freedom (OIF) commenced on March 20, 2003, with a U.S.-led coalition invading Iraq. The stated primary objectives were to disarm Iraq of weapons of mass destruction (WMDs), end Saddam Hussein's support for terrorism, and free the Iraqi people. The initial conventional phase of the war was swift, leading to the rapid collapse of Saddam Hussein's regime and the fall of Baghdad by April 9, 2003. President George W. Bush declared the end of major combat operations on May 1, 2003, under a 'Mission Accomplished' banner.
However, the post-invasion period was marked by a prolonged and brutal insurgency, fueled by sectarian tensions, the dissolution of the Iraqi army, and the absence of WMDs, which undermined the war's primary justification. Efforts to establish a stable democratic government were challenged by widespread violence, including attacks by various insurgent groups and al-Qaeda in Iraq. A significant turning point was the 2007 'surge' of U.S. troops, which helped reduce violence and create space for political progress. Operation Iraqi Freedom officially ended on August 31, 2010, with the conclusion of U.S. combat operations, and the remaining U.S. forces fully withdrew from Iraq by December 18, 2011.
The complete withdrawal of U.S. forces in 2011, combined with a fragile Iraqi government and persistent sectarian grievances, created a power vacuum that allowed extremist groups to flourish. This ultimately led to the rapid rise of the Islamic State of Iraq and Syria (ISIS) in 2014, which seized significant territory in Iraq and Syria and declared a caliphate. In response, the U.S. and an international coalition launched Operation Inherent Resolve (OIR) in October 2014, marking a renewed military intervention in Iraq to combat ISIS.
As of August 18, 2026, the U.S. military presence in Iraq, which resumed to fight ISIS, is nearing its conclusion. Washington and Baghdad agreed in 2024 to gradually scale back U.S. military operations against ISIS. Iraqi Prime Minister Ali al-Zaidi and U.S. officials have reaffirmed that all remaining U.S. military forces are on track to withdraw from Iraq by September 30, 2026, ending a two-decade military presence that began with OIF. Iraq's current government, formed in May 2026 under Prime Minister Ali al-Zaidi, faces ongoing challenges including political fragmentation, the persistent threat of ISIS sleeper cells, and balancing the competing influences of the United States and Iran. Human rights concerns, including targeted attacks on activists and stalled legislation, also remain prominent.
What If...?
Explore alternate histories. What if Operation Iraqi Freedom made different choices?