Boeing CH-47 Chinook fires, and supporting petroleum extraction operations. In December 2006, Columbia Helicopters Inc purchased the type certificate of the Model 234 from Boeing. The Chinook has also been licensed to be built by companies outside the United States, such as Elicotteri Meridionali (now AgustaWestland) in Italy and Kawasaki in Japan. The Army finally settled on the larger Chinook as its standard medium-transport helicopter, and as of February 1966, 161 aircraft had been delivered to the Army. The 1st Cavalry Division had brought its organic Chinook battalion when it arrived in 1965 and a separate aviation medium helicopter company, the 147th, had
Boeing Chinook (UK variants) alongside Westland Sea King and Westland Wessex helicopters. Post-war, four Chinooks were operated by "ChinDet" (Chinook Detachment) which became No.1310 Flight in 1983. Subsequently, No. 78 Squadron was re-formed in 1986 from the merger of No. 1310 Flight and No.1564 Flight (Sea Kings) and operated two Chinooks as part of the Falklands Garrison. This was reduced to a single helicopter in the mid-1990s and the type was eventually withdrawn from the Falklands in 2006 in order to free up resources and craft for operations in Afghanistan. RAF Chinooks provided routine supply and support missions to the British military during Operation