William Dunn

Staff Sergeant Dunn (– 2020) was an American soldier.

Wounded in action
During a mission with Recker, Irish and another soldier, Dunn was trapped under a piece of rubble. He ordered Recker to amputate his right leg and after it was done, he passed out.

Death
While attempting to escape, the car the men were in crashed into a body of water. Dunn ordered his men to escape and let him drown, sacrificing himself for them.