STS-51-G
The mission's crew members included Daniel C. Brandenstein, commander; John O. Creighton, pilot; Shannon W. Lucid, Steven R. Nagel, and John M. Fabian, mission specialists; and Patrick Baudry, from France, and Prince Sultan Sultan bin Salman Al Saud, from Saudi Arabia, both payload specialists.All three successfully utilized Payload Assist Module (PAM-D) booster stages to achieve geostationary transfer orbits (GTO) after being deployed from Discovery.Also carried was the SPARTAN-1 (Shuttle Pointed Autonomous Research Tool for AstroNomy) a deployable/retrievable carrier module, designed to be deployed from the orbiter and fly free in space before being retrieved.Discovery landed at Edwards Air Force Base at 9:11:52 a.m. EDT on June 24, 1985, after a mission duration of 7 days, 1 hour, 38 minutes, and 52 seconds.The STS-51-G insignia illustrates the advances in aviation technology in the United States within a relatively short span of the twentieth century with Discovery flying over the Wright Flyer.