Salman bin Abdulaziz Al Saud
Arabsat-1B was launched aboard on mission STS-51-G. "Discovery" was launched from LC-39A at the Kennedy Space Center at 11:33:00 GMT on 17 June 1985. It was deployed from "Discovery", and boosted to a geosynchronous transfer orbit by means of a PAM-D upper stage. Sultan bin Salman bin Abdulaziz Al Saud flew aboard the Shuttle to supervise deployment, becoming the first Saudi citizen and first member of royalty to fly in space. Morelos 1 and Telstar 3D were also deployed on the same mission.