1.   Around the time that the second plane hit, a ranking chief, Joseph Callan, had seen enough.

2.   As he watched, the second plane slammed into the other tower.

3.   As the second plane struck, there was no mistaking what was happening.

4.   Belgrade claimed its forces had shot down a second NATO plane, but this was not immediately confirmed.

5.   A second charter plane from Sky Limo was already headed to North Eleuthera.

6.   A second plane then dropped a bomb on the exact same Taliban position, widening the fire.

7.   A second plane had to be chartered to carry the overload to Kansas City.

8.   A second plane hit the Trade Center.

9.   A second American plane crashed into the Pentagon, while another United flight crashed in rural Pennsylvania after an apparent struggle between the hijackers and passengers.

10.   About three dozen members of Congress went on a second plane.