Boeing CH-47 Chinook had remained in both production and frontline service for over 50 years. The military version of the helicopter has been subject to numerous export sales from nations across the world, typically using it as heavy-lift rotorcraft in a military context; the U.S. Army and the Royal Air Force (see Boeing Chinook (UK variants)) have been its two largest users. The civilian version of the Chinook is the Boeing Vertol 234. It has been used for a variety of purposes by a range of different civil operators, having often been used for passenger and cargo transport, along with niche roles such
Chinook Jargon in British Columbia by gold prospectors and Royal Engineers. As industry developed, Chinook Jargon was often used by cannery workers and hop pickers of diverse ethnic background. Loggers, fishermen and ranchers incorporated it in their jargon. A heavily creolized form of Chinook Jargon (Chinuk Wawa) is still spoken as a first language by some residents of Oregon, much as the Métis language Michif is spoken in Canada. Hence, Chinuk Wawa as it is known in Oregon is now a creole language, distinct from the widespread and widely varied pronunciation of the Chinook Jargon as it spread beyond the Chinookan homeland.