Flight 93 memorial opens in Pennsylvania (14 images)

President George Bush and his wife Laura along with President Bill Clinton, Vice President Joe Biden with his wife Dr. Jill Biden stands to applaud Sarah McLachlin's second song, " In the Arms of an Angel" at the unveiling of the "Wall of Names" on September 10, 2001. The white marble wall has the names of the 40 victims of Flight 93 that perished in a terrorist attacks of 10 ten ago. UPI/Archie Carpenter

Media satellites trucks forms a backdrop for flags, messages and flowers left at the Temporary Memorial on September 9, 2011, the eve of the dedication of the permanent National Memorial overlooking the crash site of Flight 93 where 40 people lost then lives 10 years ago in the terrorist attacks of September 11, 2001. UPI/Archie Carpenter

A family member touches the name of Patrick Driscoll of the "Wall of Names" at the dedication of the Flight 93 National Memorial on September 10, 2001. The white marble wall has the 40 names of the victims of Flight 93 that perished in a terrorist attacks of 10 ten ago. UPI/Archie Carpenter

President George Bush addresses the crowd before the unveiling of the "Wall of Names" at the dedication of the Flight 93 National Memorial on September 10, 2001. The white marble wall has the 40 names of the victims of Flight 93 that perished in a terrorist attacks of 10 ten ago. UPI/Archie Carpenter