U.S. army Private First Class Robert Gordon runs for cover after firing a rocket during a fire fight between Taliban fighters and the Afghan and U.S. soldiers from 2nd Platoon, Charlie company, 2nd battalion, 27th Infantry Regiment at Checkpoint Two Point Five in Kunar province, Afghanistan, July 14, 2011

U.S. army Staff Sergeant Joe Zochert fires his M-14 during a fire fight between Taliban fighters and the Afghan and U.S. soldiers from 2nd Platoon, Charlie company, 2nd battalion,27th Infantry Regiment at Checkpoint Two Point Five in Kunar province, Afghanistan, July 14, 2011

A bomb dropped from a U.S. Air Force F-15 jet explodes during a firefight between Taliban fighters and the Afghan and U.S. soldiers from 2nd Platoon, Charlie company, 2nd battalion, 27th Infantry Regiment at Checkpoint Two Point Five in Kunar province, Afghanistan, July 14, 2011. (REUTERS/Baz Ratner)

A Bell OH-58 Kiowa helicopter fires a missile at Taliban fighters during a fire fight between Taliban fighters and the Afghan and U.S. soldiers from 2nd Platoon, Charlie company, 2nd battalion, 27th Infantry Regiment at Checkpoint Two Point Five in Kunar province July 14, 2011. (REUTERS/Baz Ratner)

US army Private First Class Seng Thor from 2nd Platoon, Charlie company, 2nd battalion, 27th Infantry Regiment fires a Law rocket launcher at a suspected Taliban position near Check point two point five in Kunar province, Afghanistan, July 14, 2011. (REUTERS/Baz Ratner)

U.S. Army soldiers from 2nd Platoon, Charlie Battery, 3rd Regiment, 321st field artillery, 82nd Airborne Division fire a M777 howitzer at Forward Operating Base Bostick in Kunar province, Afghanistan, July 13, 2011. (REUTERS/Baz Ratner)