21.   For several years, defense and terrorism experts have been warning of the growing threat to civilian aircraft from shoulder-fired missiles.

22.   Goelz said there had never been an incident of a missile accidentally hitting a civilian aircraft in the United States.

23.   In Moscow, civilian aircraft are not allowed over the capital.

24.   In reality, it is hard to imagine that we would ever shoot down civilian aircraft.

25.   In the memo, department lawyers said involvement in shooting down civilian aircraft would violate international law and urged policymakers not to take part.

26.   In the Haiti and Persian Gulf operations, the Pentagon used chartered civilian aircraft to airlift troops.

27.   It was passed after Cuban warplanes flying near Havana shot down two unarmed civilian aircraft based in Miami.

28.   Japanese exports to the U.S. of computers and office equipment eclipsed increased sales of U.S. fish, computers and civilian aircraft to Japan.

29.   Kyser said that the merger will help fend off subsidized competitors, such as the European-backed Airbus, in competing for civilian aircraft.

30.   Models for civilian aircraft will come later.