Space Shuttle Columbia facility beginning in January 1984, undergoing modifications that removed the Orbiter Flight Test hardware and bringing it up to similar specifications as those of its sister orbiters. At that time the shuttle fleet was expanded to include "Discovery" and "Atlantis". "Columbia" returned to space on January 12, 1986, with the launch of STS-61-C. The mission's crew included Dr. Franklin Chang-Diaz, as well as the first sitting member of the House of Representatives to venture into space, Bill Nelson. The next shuttle mission, STS-51-L, was undertaken by "Challenger". It was launched on January 28, 1986, ten days after STS-61-C had landed,
Astronaut-politician by "The New York Times" as a "political neophyte". Jack Swigert, who had flown on the ill-fated Apollo 13 mission, was elected in November 1982 to the United States House of Representatives representing Colorado, based on a plan he developed that "evolved from his training as an astronaut and the success of the Apollo exploration of the Moon", but died before taking office. NASA's Shuttle program has produced American and foreign politicians. In 1985, Senator Jake Garn went into space aboard the STS-51-D flight as a payload specialist and in 1986 Rep. Bill Nelson of Florida became the second sitting