Every firefighter who reported for duty that day died, 15 in all.
One other firefighter has died in the line of duty since the 9/11 terror attack.
When it fell 29 minutes later, at least 121 firefighters died.
Three hundred and forty-three firefighters died at the trade center.
Fourteen firefighters died, including two whose bodies were found this afternoon.
The social compact under which the firefighters work and sometimes die is strained as never before.
At least 121 firefighters, most in striking distance of safety, died when the north tower fell.
In all, almost 15 firefighters died for every city police officer.
One firefighter died of a heart attack and some 27 others were injured.
Five firefighters from the station died in the terror attacks.