Pakistan army troops are seen with tanks parked outside their base camp in Bara, the main town of Pakistan's troubled tribal region Khyber along Afghan border, Saturday, Dec. 12, 2009. Pakistani security forces are battling Taliban fighters and other militants group in rugged northwest regions bordering with Afghanistan.
(AP Photo/Qazi Tariq)

A Pakistan Army tank and troops move towards the area where security forces are conducting an operation against militants on the outskirts of Bara, the main town of Pakistani Khyber tribal region, Tuesday, Sept. 1, 2009. Government forces destroyed three militant bases and killed five insurgents including two militants commanders in Pakistan's northwestern border region. They also captured 25 suspected militants in the operation, a statement from the Frontier Corps said.
(AP Photo/Qazi Tariq)

A Pakistani Army tank patrols in the troubled northwestern region of the country, August 3. Suspected US attacks and Pakistani air strikes have increasingly targeted strongholds of Pakistani Taliban chief Baitullah Mehsud, described by the US State Department as a key Al-Qaeda facilitator in Pakistan's mountainous tribal region.
(AFP/File)

Pakistan's Air Force Chief Air Chief Marshal Rao Qamar Suleman, right, address during a ceremony of the first Saab 2000 surveillance aircraft, in background, in Pakistan air force fleet, Tuesday, Dec. 29, 2009 in Pakistan Aeronautical Complex Kamra, about 30 miles (50 kilometers) from the capital, Islamabad, Pakistan. Pakistan Air Force inducted its first airborne warning and control system Saab 2000 aircraft into its fleet. The aircraft is fitted with the latest technology to detect aircraft flying at high and medium altitudes. With a state-of-the-art system, it is also capable of detecting objects flying at lower levels over land and sea at extended ranges, Pakistan Air Force said in a statement.
(AP Photo)

A Saab 2000 surveillance aircraft is seen in a ceremony at Pakistan Aeronautical Complex Kamra, about 30 miles (50 kilometers) from the capital, Islamabad, Pakistan on Tuesday, Dec. 29, 2009. Pakistan Air Force inducted its first airborne warning and control system Saab 2000 aircraft into its fleet. The aircraft is fitted with the latest technology to detect aircraft flying at high and medium altitudes. With a state-of-the-art system, it is also capable of detecting objects flying at lower levels over land and sea at extended ranges, Pakistan Air Force said in a statement.
(AP Photo)