20 years on: A look back at the Iraq War

In the early hours of March 20, 2003, U.S. and coalition forces began the invasion of Iraq on the grounds of the country's supposed possession of weapons of mass destruction and alleged connection of Saddam Hussein's government to the 9/11 attacks. The main U.S. military pullout from Iraq was ultimately completed by 2011. Let's take a look back at the Iraq wa