Syncom STS-51-I STS-32 SBS 4 Telstar 302 1990 in spaceflight R-4D STS-41-D STS-51-D STS-28 Boeing 601 STS-51-A Joseph P. Allen David M. Walker (astronaut) Dale Gardner Henry Hartsfield Frederick Hauck Anna Lee Fisher Rhea Seddon Judith Resnik 1985 in spaceflight Space Shuttle Discovery 1984 in spaceflight List of human spaceflights, 1981–1990 List of Space Shuttle missions