Exclusive video footages of Taliban attacking US forces outpost in Wanat, Nuristan Afghanistan

Exclusive video footages of Taliban attacking US forces outpost in Wanat, Nuristan Afghanistan

It was one of the deadliest attacks of the war for U.S. forces in Afghanistan. The target: a remote U.S. outpost in Wanat, Nuristan. The date: July 13, 2008.

ABC News has obtained a view of the battle unseen until now: the attack, filmed by the Taliban as they assaulted the base. The exclusive video of the attack was obtained via the NEFA Foundation.

The video begins by showing Taliban fighters walking on a mountain path. They appear relaxed and comfortable, walking through the area armed but unchallenged. They are heard chatting calmly on their radios.