Aeronautics. Air traffic control Court upholds ruling to block action against air controllers. RMN Je 9, 1970 p.14 Post Je 9, 1970 P.52 Automation of air traffic control system discussed by transportation secretary John A. Volpe. RMN Ja 17, 1971 p.53 2 air traffic controllers fired for their actions during Spring 1970 strike. RMN Ap 30, 1971 p.8 Post Ap 30, 1971 p.79 0