June 22, 2016 10:24 AM EDT

Photojournalist Yuri Kozyrev has lived through the full arc of the war in Iraq – from the initial “shock and awe” phase of bombardment through the fall of Baghdad in April 2003. He worked on the front lines as more and more Iraqis grew to reject the U.S. presence in their country and some came to support an armed insurrection against the American forces. He photographed the war day by day as the insurgency metastasized into a brutal sectarian civil war, sowing the seeds of extremism that continue to devastate the country to this day.

Kozyrev calls his years in Iraq an “amazing experience with horrible consequences.” In this photo gallery, we take a look back at 14 years of work in Iraq.

See Kozyrev’s most recent work from Iraq, On the Front Lines of the War Against ISIS, and read dispatches from TIME’s Middle East bureau chief Jared Malsin.

Yuri Kozyrev is a photojournalist and a TIME contract photographer. He is represented by Noor.

Alice Gabriner, who edited this photo essay, is TIME’s International Photo Editor.

Contact us at letters@time.com.

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