Rangers

As an Army Ranger, Sgt. Nick Irving earned the nickname "The Reaper" while serving as a sniper in Iraq and Afghanistan, but he struggled to come to terms with civilian life once he left the military.

The two women who made it through the Army's notoriously grueling Rangers training program are set to graduate Friday — the first women ever to pass Ranger School.

At Georgia's Fort Benning, female soldiers are fighting a two-month battle. Their enemies? Hunger, fatigue, even hallucination. They're fighting their way…