This will be the first time Pakistan's political and military leadership would visit Afghanistan. Prime Minister Yousaf Raza Gilani, Chief of Army Staff General Ashfaq Parvez Kayani and the Director General Inter-services Intelligence (ISI) Ahmed Shuja Pasha will leave for their official tour to Afghanistan on Saturday. According to military sources, both the countries will hold strategic dialogues and configuration of two groups at the highest level will be finalised.