The Central Air Command is one of the five operational commands of the Indian Air Force. Currently headquartered in Allahabad in Uttar Pradesh, it had its beginning as No 1 Operational Group on 27 May 1958 at Ranikutir in Calcutta as a part of the Govt's increasing emphasis on defence of the eastern borders. Reorganisation of this Operational Group was created this command on 19 March 1962 with headquarters at Rani Kuthee, Calcutta(now Kolkata). Calcutta was considered inappropriate location for the Central Air Command Headquarters and it was relocated at Allahabad in February 1966.