US Vice President Dick Cheney in the President's Emergency Operations Centre at the White House on September 11, 2001, the day of the terrorist attacks. US National Archives
Secretary of State Colin Powell, right, and National Security Adviser Condoleezza Rice in the President's Emergency Operations Centre on September 11, 2001. US National Archives
US Ambassador to Iraq Paul Bremer signs the Iraqi Sovereignty document transferring full governmental authority to the Iraqi Interim Government, in Baghdad, on June 28, 2004. Mr Bremer was tapped by the Bush administration to become the top US civilian in Iraq following the invasion. US Air Force
CIA Director George Tenet listens to President George W Bush's address after the 9/11 terrorist attacks. US National Archives
President Bush meets Mr Tenet, Vice President Cheney and Ms Rice on October 7, 2001 at the White House, the day the US invaded Afghanistan as a response to the 9/11 attacks. George W Bush Presidential Library
Presidential Envoy Paul Bremer, left, briefs Donald H. Rumsfeld, US Secretary of Defence, in Iraq, in 2003. Department of Defence
US Deputy Secretary of Defence Paul Wolfowitz addresses the media after touring the Rabia Balkhi Hospital in Kabul, Afghanistan, on January 15, 2003. US Army
Rudy Giuliani, seen here speaking at a rally, was Mayor of New York when the 9/11 attacks took place. Reuters
Former Special Agent John O’Neill retired from the FBI in August 2001 to lead security at the World Trade Centre. Although he escaped from his office in the North Tower after it was struck by terrorist hijackers on 9/11, he died helping others escape when the tower collapsed. Photo: FBI
Richard Clarke worked with both the Clinton and Bush administrations to combat Al Qaeda and the Taliban. Speaking before the 9/11 Commission in 2004, Mr Clarke told the families of the victims that their government failed them. The National
Former President Bill Clinton appeared on Australian TV 10 hours before the 9/11 attacks and said that he was obsessed with Osama bin Laden and that he almost killed him. Jeffrey E Biteng / The National