In 2001, the United States became embattled in the longest war in U.S. history. Since it began, more than 42,000 military members have returned home injured.

These injuries can range from concussions to missing limbs. But they also include injuries that aren't physically visible.

"Everybody comes back from
combat changed."
-Retired Marine Sgt. Christopher Lawrence

No scars are the same. And every wounded warrior experiences them differently.

Marine Combat Photographer Jordan Sherwood was wounded in Iraq when an improvised explosive device detonated, leaving him with extensive wounds and months of recovery. Combat and recovery photos by Jordan Sherwood and the Roanoke Times, Sam Dean.

This is an in-depth look at service members' experiences and how they deal with the prolonged effects of war in the Middle East.