911

The events of 11 September 2001 / September is a set of attacks that took place in the United States on Tuesday, September 11, 2001. Four were diverting civilian commercial transport and guide planes to collide with specific targets succeeded in doing so three of them. Goals was the twin towers of the International Trade Centre and the Manhattan headquarters of the US Department of Defense (Pentagon). It fell as a result of these events in 2973 a victim 24 missing, in addition to thousands of wounded and ill from inhaling the smoke of fires and toxic fumes. US Secretary of Defense Donald Rumsfeld ordered an increase level to Defcon 3, also took precautions to increase the level to Defcon 2, but this did not happen. These precautions also did not succeed in repelling the attacks on the Twin aircraft has been heavily criticized for its security officials. [2]