Boeing engine started in 1943 and Boeing's gas turbines were designated models 502 (T50), 520 (T60), 540, 551 and 553. Boeing built 2,461 engines before production ceased in April 1968. Many applications of the Boeing gas turbine engines were considered to be firsts, including the first turbine-powered helicopter and boat. Vertol Aircraft Corporation was acquired by Boeing in 1960, and was reorganized as Boeing's Vertol division. The twin-rotor CH-47 Chinook, produced by Vertol, took its first flight in 1961. This heavy-lift helicopter remains a work-horse vehicle to the present day. In 1964, Vertol also began production of the CH-46 Sea Knight.
450 Tactical Helicopter Squadron (Uplands) in May 1970 and the squadron received Royal Assent for the designation 450 Transport Helicopter Squadron on May 20, 1970. On August 1, 1991, the squadron was re-designated 450 Composite Helicopter Squadron. This was followed by another name change on April 1, 1993, when the squadron became 450 Tactical Helicopter Squadron. In August the following year, 450 Tactical Helicopter Squadron was transferred back to 1 Wing at St. Hubert. 450 Squadron was deactivated in 1996 before being officially disbanded on January 1, 1998. On May 2, 2012, the squadron was re-established to operate the CH-147F Chinook helicopters of the