21.   The pilots say that many controllers have difficulty communicating with pilots of foreign airlines because the controllers have only rudimentary command of English.

22.   Those planes had been delaying jet traffic at Newark when a single controller had to handle both propeller and jet traffic there, Walker said.

23.   Air traffic controllers had many tense moments.

24.   Again, ground controllers had to take over manual control to secure the car.

25.   Airport traffic controllers also had to command an in-bound Chinese Eastern jet to abort its landing, it said.

26.   By Thursday evening, ground controllers had Soho back in business.

27.   Controllers also have high-tech ways of indicating a target.

28.   Controllers have had regular contact with the station since Tuesday, Lyndin said.

29.   Controllers now have color monitors with advanced graphic displays and custom software that allows access to the latest data with the click of a mouse.

30.   During each orbit around Earth, controllers have about a quarter of an hour window to communicate with the station.