Stephen Crane 
The Red Badge of Courage: An Episode of the American Civil War 

The Red Badge of Courage follows events of the American Civil War, and life of a young private of the Union Army, Henry Fleming, who flees from the field of battle. Overcome with shame, he longs for a wound, a red badge of courage, to counteract his cowardice. When his regiment once again faces the enemy, Henry acts as standard-bearer.