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 Shuttle Mission 2007 Space Shuttle guiding the user through the mission. Extra-vehicular activities are conducted in first-person view allowing the user to experience the same feeling as astronauts do while "space walking". In certain missions, the virtual astronauts will also drive the Manned Maneuvering Unit to capture satellites for maintenance. The latest mission add-on is the STS-47 Spacelab mission. In this mission, the user can visit the Spacelab-J and float inside the lab in Zero-G just like real astronauts. Space Shuttle Mission 2007 Space Shuttle Mission 2007, is a highly realistic Space Shuttle stand-alone mission simulator for Microsoft Windows. The simulator was released