21.   AirTran is a domestic commercial airline providing air service in the Eastern U.S.

22.   Bush did not endorse allowing commercial airline pilots to carry weapons, as the Airline Pilots Association called for earlier this week.

23.   Bush was to fly on Air Force One, but his Transportation Secretary, Norman Mineta, was to fly on a commercial airline.

24.   Broderick said the agency also planned to start testing some smaller aircraft that are not used by commercial airlines but that do use the rubber de-icing system.

25.   Bush downplayed a proposal from a pilots union to arm commercial airline pilots.

26.   But after meeting Dace and Vaughn Cordel, the commercial airline pilot who has signed on to pilot the new rocket, Hermes became convinced.

27.   But in the IG report, the agency refused to use commercial airlines, arguing that they are not flexible enough.

28.   But Shrontz said he was encouraged by the outlook for the commercial airline industry as a result of global economic recovery.

29.   But she expects that ever-larger chunks of business will come from commercial airlines, given public concern over safety.

30.   But TB-infected people who are contagious should not fly on commercial airlines, the CDC said.