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,
Space tourism fly on Soyuz TMA-14 in March 2009. British-American Richard Garriott became the next space tourist in October 2008 aboard Soyuz TMA-14. As of 2018, Canadian Guy Laliberté is the most recent tourism to fly to the ISS, in September 2009 aboard Soyuz TMA-16. Since the Space Shuttle was retired in 2011, Soyuz once again became the only means of accessing the ISS, and so tourism was once again put on hold. Bigelow Aerospace acquired the designs for inflatable space habitats from NASA's Transhab program, and has already launched two first inflatable habitat modules. The first, named Genesis I, was launched