Flight 93 Memorial 2011 dedication
A family member of a victim of United flight 93 attends the dedication of the Flight 93 memorial in Shanksville, Pennsylvania, on September 10, 2011. A long white stone wall bearing the names of those who struggled with Al-Qaeda terrorists on the fourth airliner to be hijacked on September 11, 2001 was unveiled on the rural Pennsylvania field where the Boeing 757 crashed. AFP PHOTO/Nicholas KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)