He thinks of green Pennsylvania fields but sees streaks of rust and grime.

The fourth aircraft, hijacked after takeoff from Newark, was headed toward Washington but it crashed into the Pennsylvania field.

A national design competition was held to create a public memorial in the Pennsylvania field where Flight 93 crashed.

His father, John Manuel Landon, was an oil prospector and promoter in the Pennsylvania fields.

The plane that crashed in a Pennsylvania field had four hijackers; the other three aircraft had five each.

A fourth crashed into a Pennsylvania field after passengers apparently tried to overpower the hijackers.

Later investigations determined that the Defense Department was not aware of Flight 93 until after the plane had crashed into a Pennsylvania field.

The flight crashed later in a Pennsylvania field.