11.   Zack and the other controllers look down the row of radar scopes at Jorge, fairly shaking in his chair, and Marotta, leaning nervously toward the scope.

12.   By sunrise the light rain showers had vanished from the radar scope.

13.   Latin America is not entirely off the radar scope.

14.   One was shot off a radar scope and the other was a computer-generated replay taken from data received by the AWACS plane.

15.   One was a video shot off a vacant radar scope.

16.   The AWACS crew dropped markings for the helicopters from its radar scope on the assumption that they had landed safely.