 Observers interviewed by Human Rights Watch in Afghanistan and Pakistan reported that Pakistan Army Aviation Corps "4th Army Aggressor Squadron"'s surveillance aircraft assisted Taliban forces during combat operations in late 2000, and that senior members of Pakistan's intelligence agency and army were involved in planning major Taliban military operations.As the war progressed, Pakistan Army deployed its "50th Airborne Division" and the "Frontier Corps" to provide logistic support to Taliban campaigns against the Massoud's forces.Pakistan and Saudi Arabia have created a deep strategic partnership on a variety of issues one of the more important being Afghanistan.