midnight
Reduce speed to minimum thrust and approach spaceport nine -- landing-deck three . End transmission ! '' Tom stood on the dais of the traffic-control room and switched the _ Antares _ beam to one of his assistants at the monitors in the control room . In less than two weeks he had mastered the difficult traffic-control procedure to the point where Captain Stefens had allowed him to handle the midnight shift . He checked the monitors and turned to see Roger walk through the door . `` Working hard , Junior ? '' asked Roger in his casual drawl .