Space Shuttle Columbia that remained fitted to the avionics suite, and an internal airlock that, originally fitted into the other orbiters, was later removed in favor of an external airlock to facilitate Shuttle/Mir and Shuttle/International Space Station dockings. Due to its weight, "Columbia" could not have used the planned Centaur-G booster (cancelled after the loss of "Challenger"). The retention of the internal airlock allowed NASA to use "Columbia" for the STS-109 Hubble Space Telescope servicing mission, along with the Spacehab double module used on STS-107. Due to "Columbia's" heavier weight, it was less ideal for NASA to use it for missions to the
Space Shuttle America Space Shuttle America Space Shuttle America (also known as Space Shuttle America - The Next Century) was a motion simulator ride at the Six Flags Great America theme park in Gurnee, Illinois, that opened in 1994. The ride's main feature was a full-scale replica of an American Space Shuttle orbiter. It closed permanently after the 2007 season and was removed in December 2009. The storyline of the ride was that riders have boarded a new Space Shuttle called "America", which is capable of transporting passengers to the fictional Armstrong City using the LRVM (Lunar Run Velocity Management) Warp. Armstrong City