2011 Afghanistan Boeing Chinook shootdown or cancel their mission went unheeded. American rules of engagement were tightened by Gen. Stanley McChrystal in 2009, in order to improve American counterinsurgency strategy. McChrystal cited a previous "overreliance on firepower and force protection" and the need to reduce civilian casualties and win the cooperation of the local population. 2011 Afghanistan Boeing Chinook shootdown On 6 August 2011, a U.S. CH-47D Chinook military helicopter operating with the call sign "Extortion 17" (pronounced "one-seven") was shot down while transporting an Immediate Reaction Force attempting to reinforce a Joint Special Operations Command unit of the 75th Ranger Regiment in the Tangi
Chinook Jargon Chinook Jargon Chinook Jargon (also known as ', or ') is a nearly extinct American indigenous language originating as a pidgin trade language in the Pacific Northwest, and spreading during the 19th century from the lower Columbia River, first to other areas in modern Oregon and Washington, then British Columbia and as far as Alaska and Yukon Territory, sometimes taking on characteristics of a creole language. It is partly descended from the Chinook language, upon which much of its vocabulary is based. Many words from Chinook Jargon remain in common use in the Western United States, British Columbia and the