you could n't big-picture it : all the planes on your dish , and then all the other controllers muttering coded headset conversations around you , and then all of the planes on their dishes , and then the atc tower over at neighboring laguardia ... and then all the atc towers of every airport in every city in the united states ... and then all across the world ... calvin buss , the air-traffic-control area manager and jimmy the bishop 's immediate supervisor , appeared at his shoulder .