No. 606 (Chiltern) Squadron, currently stationed at RAF Benson in Oxfordshire, serves as the premier reserve support unit for the Joint Helicopter Command. Unlike its sister "600-series" squadrons, it does not possess a World War II fighter heritage; the number 606 was reserved in the 1930s but never used, meaning the squadron was not officially formed until 1996 (gaining squadron status in 1999). It was established with a specific, modern mandate: to provide specialist ground support—including logistics, engineering, and operations staff—for the RAF's Support Helicopter Force, particularly the Puma and Chinook fleets. As one of the largest units in the Royal Auxiliary Air Force, its personnel are frequently integrated into regular units for overseas deployments. Its badge features a Hart (deer) standing on a log, symbolizing its home in the Chiltern Hills, accompanied by the motto Bene qui sedulo ("He who acts diligently acts well").
