The official date of formation of the Bangladesh Air Force (BAF) has been established as 28 September 1971 and it was launched formally by the Government on 8 October 1971. BAF was formed with all officers and airmen of Bengali origin serving in the Pakistan Air Force prior to the war. Out of 11 BDF Sectors, the most tactically significant sector, the Central Sector – Sector 11, was in command of a BAF officer including Sector 6. The BAF started their operation from an abandoned airfield at Dimapur.