May 18, 2011— -- United Airlines stopped using the flight numbers 93 and 175 after its planes with those flight numbers were used in the terrorist attacks on the United States on Sept. 11, 2001.

The fire, which happened on Friday, ravaged through the Memorial's headquarters in Shanksville, Pa., and also destroyed a number of personal items of the passengers and crew of United Flight 93.

President Trump spoke at a ceremony in Pennsylvania today to commemorate the victims of 9/11, using much of his speech to applaud the bravery of the passengers of United Flight 93.

On Sept. 11, 2001, East Hanover resident Frank Robertazzi says he was given what he considers to be a gift. Robertazzi intentionally missed United Flight 93 out of Newark so that he could spend ...