The IAF currently has five operational commands, each of which is headed by an AOC-in-C (Air Officer Commander-in-Chief) with the rank of Air Marshal. The IAF also has two additional commands - Training Command and Maintenance Command - to maintain a uniform standard in training and maintenance. Air Headquarters is located at New Delhi is commanded by the Chief of Air Staff. AirHQ controls all the administrative functions of the IAF and exercises control over the Commands.