By Prashant Rao and Mathieu Rabechault
BAGHDAD — U.S. forces formally marked the end of their mission in Iraq with a low-key ceremony near Baghdad on Thursday, after nearly nine years of divisive war that began with the invasion to oust Saddam Hussein.
The "casing of the colours" near the airport, the first site the U.S. occupied in Baghdad in 2003, comes with around 4,000 U.S.
