Today, US marks the 16th anniversary of the 9/11 attacks and the Department of Defence has released a set of rarely seen images. This was the first significant attack on a Washington government building in almost 200 years.
The clock remains frozen at 9:30 am when Al-Qaeda hijackers crashed American Airlines 77 into Pentagon and killed 64 people on the board and 125 in the building.
'Architects of 9/11': Where are they now?
President Bush was at Booker Elementary School in Sarasota, Florida, when he learned of the attacks.
Sixteen years after 9/11, ever-vigilant New Yorkers on edge
One of the first remarks President Bush made was. "We're at war", according to Press Secretary Ari Fleischer.
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ