Official statement issued by the National Commission on Terrorist Attacks upon the United States describing preliminary findings regarding the lessons learned from the emergency responses on September 11, 2001 to the attacks on the World Trade Center and the Pentagon.

Transcript of the second public hearing held by the National Commission on Terrorist Attacks upon the United States held May 22, 2003 at the Hart Senate Office Building in Washington, D.C. This hearing addresses four topics, which include the commission mandate and objectives, intelligence oversight and the joint inquiry, affected constituencies, and the state of civil aviation security on September 11th.

Transcript of the second public hearing held by the National Commission on Terrorist Attacks upon the United States held May 23, 2003 at the Hart Senate Office Building in Washington, D.C. This hearing addresses the topic of the state of civil aviation security on September 11th.

Transcript of the eleventh public hearing held by the National Commission on Terrorist Attacks upon the United States held May 19, 2004 at New School University in New York City. The two-day hearing examined the response of local and federal emergency response departments on September 11, 2001, and considered how to improve these critical functions in the event of future terrorist attacks. The Commission heard from the current and former top-level officials in the fire, police, and emergency management departments of New York City, the Port Authority of New York and New Jersey, and Arlington County, Virginia. Secretary of Homeland Security Thomas J. Ridge and former New York City Mayor Rudolph W. Giuliani also testified. Two staff statements were presented during the course of the hearing.