National Commission on Terrorist Attacks Upon the United States , also known as the 9/11 Commission , was set up on November 27 , 2002 , " to prepare a full and complete account of the circumstances surrounding the September 11 attacks " , including preparedness for and the immediate response to the attacks . The commission was also mandated to provide recommendations designed to guard against future attacks
September 11 attacks
September 11 attacks
9/11 Commission