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
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