The Royal Brunei Air Force (RBAirF) (, abbreviation TUDB) is the air force of the sultanate of Brunei Darussalam. It is headquartered and mainly based at the Royal Brunei Air Force Base, Rimba, within the Brunei International Airport (BIA). The role of the Royal Brunei Air Force is to defend the national airspace and to provide air policing and surveillance of its land and maritime borders. , the Royal Brunei Air Force operates twenty manned aircraft and four unmanned aerial vehicles (UAV). The Royal Brunei Air Force was formed as an independent air force on . It was originally created in as the Air Wing of the Royal Brunei Malay Regiment ( – AMDB), the forerunner of todays' Royal Brunei Armed Forces (RBAF). The Air Wing of the Royal Brunei Armed Forces had operated helicopters (the Bell 205) since 1966. History The Royal Brunei Air Force was established as the Air Wing of the Royal Brunei Malay Regiment in 1965. It was first tasked to fly doctors to rural area with two Sikorsky S-55 aircraft, which was operated by pilots from the Worldwide Helicopter Company. In 1966, the tasks were taken over by British pilots from the Royal Air Force (RAF) operating three RAF Westland Whirlwind helicopters. In 1967, the unit was renamed as the Helicopter Platoon, and received five Bell 206 Jet Ranger helicopters. The Air Technical Training School was established in 1980. In 1981, No. 2 Squadron was established and equipped with six Bölkow BO105 helicopters. No. 3 Squadron was established in 1982 and equipped with SIAI-Marchetti SF260s. When Brunei assumed responsibility for its own defence from the United Kingdom in 1984, the Air Wing was expanded. On 1 October 1991, with the consent of The Sultan, the Air Wing was officially renamed the Royal Brunei Air Force. No. 4 Squadron was established in 1997, and was equipped with the Blackhawk S-70A helicopters. No. 5 Squadron was also established in 1997, and was equipped with a CN-235 fixed-wing aeroplane and the Base Defence Squadron. In the same year, 3 Squadron received the Pilatus PC-7 Mark II training aircraft. No. 38 Squadron was established in 1999, and is equipped with the Mistral surface-to-air missile. In 2019, the RBAirF unveiled the Digital Disruptive Pattern BDU in digital grey colours at the 58th anniversary celebration at the Bolkiah Garrison. As of 28 August 2020, the commander of the Royal Brunei Air