 The PROCEDURES controller, first held by Gene Kranz, handled the writing of all mission milestones, "GO/NO GO" decisions, and synchronized the MCC with the launch countdowns and the Eastern Test Range.The PROCEDURES controller also handled communications, via teletype, between the MCC and the worldwide network of tracking stations and ships.The flight director, known as FLIGHT, was ultimate supervisor of the Mission Control Center, and gave the final orbit entrance/exit, and, in emergencies, mission abort decisions.