RAWALPINDI: General David H. Petraeus, Commander International Security Assistance Force (ISAF) called on Chief of Army Staff, General Ashfaq Parvez Kayani at General Headquarters on Wednesday.According to Military Sources, visiting dignitary remained with him for some time and discussed the matters of professional interest.General David H. Petraeus, Commander International Security Assistance Force (ISAF) assured the military leadership that it will keep on supporting Pakistan besides taking it into confidence on matters of mutual interest for harmony and peace in Afghanistan.He said that without the sheer cooperation of Pakistan, US couldn’t win the war against terrorism at any cost, sources said.General David H. Petraeus, Commander International Security Assistance Force (ISAF) highly acclaimed the services and sacrifices of Armed Forces of Pakistan terming them invincible adding we will make sure to enhance Intelligence Sharing Network between each other so that extremism and terrorism could be eliminated tooth and nail.General David H. Petraeus also took in confidence COAS General Kiyani on new operations against Taliban in various areas of North Afghanistan – Onlinenews