A Pakistani boy walks past gutted NATO trucks in Khairabad near Peshawar, Pakistan on Thursday, Oct. 7, 2010. Gunmen in northwest Pakistan torched a dozen tankers carrying fuel to NATO troops police said, the latest strike against supply convoys heading for Afghanistan since Pakistan shut a key border crossing last week. (AP Photo/B.K.Bangash)
People visit gutted NATO trucks in Khairabad near Peshawar, Pakistan on Thursday, Oct. 7, 2010. Gunmen in northwest Pakistan torched a dozen tankers carrying fuel to NATO troops police said, the latest strike against supply convoys heading for Afghanistan since Pakistan shut a key border crossing last week. (AP Photo/B.K.Bangash)
People collect oil leaked from NATO trucks after being attacked by militants in Khairabad near Peshawar, Pakistan on Thursday, Oct. 7, 2010. Gunmen in northwest Pakistan torched a dozen tankers carrying fuel to NATO troops police said, the latest strike against supply convoys heading for Afghanistan since Pakistan shut a key border crossing last week. (AP Photo/B.K.Bangash)
Pakistani villagers collect oil leaked from NATO trucks in Khairabad near Peshawar, Pakistan on Thursday, Oct. 7, 2010. Gunmen in northwest Pakistan torched a dozen tankers carrying fuel to NATO troops police said, the latest strike against supply convoys heading for Afghanistan since Pakistan shut a key border crossing last week. (AP Photo/B.K.Bangash)
Pakistani villagers collect oil leaked from NATO trucks in Khairabad near Peshawar, Pakistan on Thursday, Oct. 7, 2010. Gunmen in northwest Pakistan torched a dozen tankers carrying fuel to NATO troops police said, the latest strike against supply convoys heading for Afghanistan since Pakistan shut a key border crossing last week. (AP Photo/B.K.Bangash)
Pakistani soldiers stand near a burning NATO oil tanker attacked by militants in Nowshera, near Peshawar, Pakistan, on Wednesday, Oct. 6, 2010. Gunmen torched a dozen tankers carrying fuel to NATO troops, police said, the latest strike against supply convoys heading for Afghanistan since Pakistan shut a key border crossing last week. (AP Photo/Mohammad Sajjad)
Afghanistan-bound NATO vehicles are idled at the Pakistani border town of Torkham on Wednesday. Pakistan blocked a vital supply route for U.S. and NATO troops in apparent retaliation for a helicopter strike that killed three Pakistani troops. (Associated Press)
A Pakistani officers shows a medal which is displayed along with other recovered equipment of NATO forces fighting in neighboring Afghanistan, in Peshawar, Pakistan on Monday, Sept. 27, 2010. The paramilitary Frontier Corps has recovered bulk of military gadgets, communication tools and uniforms etc. stolen from NATO convoys in recent months in Pakistan's Khyber tribal region, official said.(AP Photo/Mohammad Sajjad)
Medals and other recovered equipment of NATO forces fighting in neighboring Afghanistan, are displayed in Peshawar, Pakistan on Monday, Sept. 27, 2010. The paramilitary Frontier Corps has recovered bulk of military gadgets, communication tools and uniforms etc. stolen from NATO convoys in recent months in Pakistan's Khyber tribal region, official said.(AP Photo/Mohammad Sajjad)
In this picture taken on Sept. 27, 2010, medals and photographs stolen from NATO trucks, are displayed for the media in Peshawar, Pakistan. Pakistan blocked a vital supply route for U.S. and NATO troops in Afghanistan in apparent retaliation for an alleged cross-border helicopter strike by the coalition that killed three Pakistani frontier troops. (AP Photo/Mohammad Sajjad)
In this picture taken on Oct. 5, 2010, stranded NATO trucks are parked at Pakistani Torkham border along Afghanistan. Pakistan blocked a vital supply route for U.S. and NATO troops in Afghanistan in apparent retaliation for an alleged cross-border helicopter strike by the coalition that killed three Pakistani frontier troops. (AP Photo/Qazi Rauf)
Pakistani border guards stand on alert at a terminal of Afghanistan-bound NATO trucks parked at the Pakistani border post of Chaman along the Afghanistan border on Wednesday, Oct. 6, 2010. Pakistan blocked a vital supply route in the country's north for U.S. and NATO troops in Afghanistan in apparent retaliation for an alleged cross-border helicopter strike by the coalition that killed three Pakistani frontier troops. (AP Photo/Shah Khalid)
In this picture taken on Sept. 27, 2010, a soldier of Pakistani para military force arranges equipment stolen from NATO trucks to display for the media in Peshawar, Pakistan. Drivers stand at a terminal where NATO containers are kept in Peshawar, Pakistan. Pakistan blocked a vital supply route for U.S. and NATO troops in Afghanistan in apparent retaliation for an alleged cross-border helicopter strike by the coalition that killed three Pakistani frontier troops. (AP Photo/Mohammad Sajjad)
In this picture taken on Sept. 27, 2010, a soldier of Pakistani para military force arranges equipment stolen from NATO trucks, displayed for media in Peshawar, Pakistan. drivers stand at a terminal where NATO containers are kept in Peshawar, Pakistan. Pakistan blocked a vital supply route for U.S. and NATO troops in Afghanistan in apparent retaliation for an alleged cross-border helicopter strike by the coalition that killed three Pakistani frontier troops. (AP Photo/Mohammad Sajjad)
In this picture taken on Sept. 27, 2010, a soldier of Pakistani paramilitary force arranges equipment stolen from NATO trucks to display for the media in Peshawar, Pakistan. (AP Photo/Mohammad Sajjad)
In this Monday March 8, 2010 file picture, U.S. Secretary of Defense Robert Gates, left, speaks with Commander of U.S. and NATO forces in Afghanistan General Stanley McChrystal during a meeting in Kabul, Afghanistan. (AP Photo/Jim Watson, Pool, File)
In this Friday, May 28, 2010 file picture, police officers walk past a burning oil tanker carrying fuel supplies for NATO forces after it was attacked on Jalalabad highway, east of Kabul, Afghanistan. (AP Photo/Rahmat Gul, File)
A Pakistani border guard stands near Afghanistan-bound NATO trucks parked on the roadside in Pakistani tribal area of Khyber on Friday, Oct. 1, 2010. Pakistan closed the Khyber Pass supply route for U.S. and NATO troops in Afghanistan on Thursday after a coalition helicopter attack mistakenly killed three Pakistani soldiers at a border post, raising tensions in a vital relationship for both Islamabad and Washington. (AP Photo/Qazi Rauf)
A Pakistani border guard stands alert as NATO trucks carry fuel, proceed to neighboring Afghanistan at Pakistani border post Chaman on Friday, Oct. 1, 2010. Pakistan closed the Khyber Pass supply route in northwest for U.S. and NATO troops in Afghanistan after a coalition helicopter attack mistakenly killed three Pakistani soldiers at a border post, raising tensions in a vital relationship for both Islamabad and Washington. (AP Photo/Shah Khalid)