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They will begin the day at a commemoration in New York, where they will be joined by former President George W. Bush and other dignitaries.
Next, they will visit the small town of Shanksville, Pennsylvania, to lay a wreath at a memorial for those who died on Flight 93. Passengers on that plane are believed to have foiled a plot to crash it into a landmark in Washington.
The first couple will return to Washington to take part in a wreath-laying at the Pentagon. Their day will conclude with the president speaking at a memorial concert at Washington’s John F. Kennedy Center for the Performing Arts.