 After the 9/11 attacks on the United States, the U.S. military responded with a large invasion of Afghanistan in 2001.Initially, all Pakistan Army troops were mobilized in different military formations and deployment continued in all over the country during this period, under the command of Chairman joint chiefs General Pervez Musharraf, also self-appointing President at that time.After laying discussion principle Joint Chiefs of Staff Committee, the XI Corps (roughly ~60,000 men) was deployed under the command of Lieutenant-General Alijan Aurakzai in North-western.