Ministry of Defence (Pakistan) of the army, navy and air force in Pakistan until 1956. In December 1959, the federal capital shifted temporarily to Rawalpindi, while plans for Islamabad were drawn up by then-General Ayub Khan's military government. The proximity of the Army Headquarters in Rawalpindi played a major role in the decision to relocate the capital. In March 1972, President Zulfiqar Ali Bhutto in response to criticism over the difficulties in inter-service coordination in previous wars decreed that all service HQs were to move to Islamabad. The Navy was the first to comply, with Naval Headquarters moving from Karachi to Sector E9 Islamabad
Capital Development Authority (Islamabad) Capital Development Authority (Islamabad) Capital Development Authority (, abbreviated as CDA), is a public benefit corporation responsible for providing municipal services in Islamabad Capital Territory. The CDA was established on 14 June 1960 by executive order entitled "Pakistan Capital Regulation". As of 2016, most of CDA's municipal services and departments have been transferred to the newly created Islamabad Metropolitan Corporation, although CDA is still in charge of estate management, project execution and sector developments. Yahya Khan was designated its first Chairman, when he was a Lieutenant General. The Capital Development Authority developed the CDA Model School in Islamabad in 1970.