Indian Air Force a commanding officer with the rank of wing commander. Some transport squadrons and helicopter units are headed by a commanding officer with the rank of group captain. Flights are sub-divisions of squadrons, commanded by a squadron leader. Each flight consists of two sections. The smallest unit is the section, led by a flight lieutenant. Each section consists of three aircraft. Within this formation structure, IAF has several service branches for day-to-day operations. They are: In September 2004, the IAF established its own special operation unit called the Garud Commando Force, consisting of approximately 1,500 personnel. For starting this special force
Marshal of the air force held once and is currently retained only on paper. China also does not use a marshal rank, preferring first class general ("kong jun yi ji shang jiang") which has never been held by an air force officer and was abolished in 1994. Spain uses the equivalent rank of captain general of the Air Force which is held only by HM King Felipe VI. A marshal of the air force is mentioned in Roald Dahl's book "The BFG". Dahl himself was a Royal Air Force officer during World War II. Marshal of the air force Marshal of the air force is