The National Command Authority, (Urdu: نيشنل كمانڈ اتھارٹى; abbreviated as NCA), is the apex civilian led command to oversee the employment, policy formulation, exercises, deployment, research and development, and operational command and control of Pakistan's nuclear arsenals. The National Command was established in 2000 as a successor of Air Force Strategic Command which was established by then-Chief of Air Staff Air Chief Marshal Anwar Shamim in 1983.