Afghanistan, immediately post-9/11: Small teams of Green Berets arrive on a series of secret missions to overthrow the Taliban. What happens next is equal parts war origin story and cautionary tale, illuminating the nature and impact of 15 years of constant combat, with unprecedented access to U.S. Special Forces.

A secret war never ends.

Afghanistan, immediately post-9/11: Small teams of Green Berets arrive on a series of secret missions to overthrow the Taliban. What happens next is equal parts war origin story and cautionary tale, illuminating the nature and impact of 15 years of constant combat, with unprecedented access to U.S. Special Forces.