Candles in memory of the passengers and crew of Flight 93 are lit along the Wall of Names at the Flight 93 National Memorial in Shanksville, Pa., Saturday as the nation marks the 15th anniversary of the Sept. 11 attacks.
Candles in memory of the passengers and crew of Flight 93 are lit along the Wall of Names at the Flight 93 National Memorial in Shanksville, Pa., Saturday as the nation marks the 15th anniversary of the Sept. 11 attacks. Jared Wickerham AP
Candles in memory of the passengers and crew of Flight 93 are lit along the Wall of Names at the Flight 93 National Memorial in Shanksville, Pa., Saturday as the nation marks the 15th anniversary of the Sept. 11 attacks. Jared Wickerham AP