STS-61-C STS-61-C STS-61-C was the twenty-fourth mission of NASA's Space Shuttle program, and the seventh mission of Space Shuttle "Columbia". It was the first time that "Columbia", the first space-rated Space Shuttle orbiter to be constructed, had flown since STS-9. The mission launched from Florida's Kennedy Space Center on 12 January 1986, and landed six days later on 18 January. STS-61-C's seven-person crew included the second African-American shuttle pilot, future NASA Administrator Charles Bolden, the first Costa Rican-born astronaut, Franklin Chang-Diaz, and the second sitting politician to fly in space, Representative Bill Nelson (D-FL). It was the last shuttle mission before
Space Shuttle retirement for space access systems in the 1970s also, such as the Rockwell "Star-raker" Star-raker was a large single-stage to orbit design that used both rockets and ramjet for propulision. It was a contemporary to the Boeing "Reusable Aerodynamic Space Vehicle", which an all-rocket propulsion single-stage to orbit design. For comparison to an earlier retirement, when the Saturn IB was last flown in 1975 for the Apollo-Soyuz Test Project, the Shuttle development program was already well underway. However, the Shuttle did not fly until 1981, which left a six-year gap in U.S. manned spaceflight. Because of this and other reasons, in