In 1973, the Bhutto administration dismissed the state government in Balochistan that resulting in another separatist movement, culminating the series of army actions in largest province of the country that ended in 1977. With the military aid receiving from Iran including the transfer of the Bell AH-1 Cobra to Aviation Corps, the conflict came to end with the Pakistani government offering the general amnesties to separatists in the 1980s. Over the issue of Baloch conflict, the Pakistani military remained engage in Omani civil war in favor of Omani government until the rebels were defeated in 1979. The War Enquiry Commission noted the lack of joint grand strategy between the four-branches of the military during the first, the second, and the third wars with India, recommending the establishment of the Joint Chiefs of Staff Committee to maintain strategic military communication between the inter-services and the federal government, that is to be chaired by the appointed Chairman joint chiefs as the government's principal military adviser. In 1976, the first Chairman joint chiefs was appointed from the army with Gen. Muhammad Shariff taking over the chairmanship, but resigned a year later. In 1975, Prime Minister Zulfikar Ali Bhutto controversially superseded at least seven senior army generals to promote Lt-Gen. Zia-ul-Haq to the four-star rank, appointing him the Chief of Army Staff (COAS) in spite of army recommendations forwarded to the federal government.