Family Members are at The Podium Reading the Names of The Victims

SHANKSVILLE, Pa. - A choir sang at the Flight 93 National Memorial on Sunday as the crowd of some 5,000 listened to a reading of the names of the 40 passengers and crew killed aboard the plane a decade ago.

Family members are at the podium reading the names of the victims.

Flight 93 knifed into a rural Pennsylvania field a decade ago Sunday after some of the passengers overcame the plane's four hijackers. Their actions helped prevent a likely attack on Washington by plane.