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: A Journey into Space Space Shuttle: A Journey into Space Space Shuttle: A Journey into Space is a space flight simulator game designed by Steve Kitchen for the Atari 2600 and published by Activision in . It is one of the first realistic spacecraft simulations available for home systems. "Space Shuttle" was adapted to the Atari 8-bit family and Atari 5200 by Bob Henderson (1984), then ported to the ZX Spectrum (1984), Commodore 64 (1984), Amstrad CPC (1986), and MSX (1986). The 1984 Activision Software catalog also mentions an Apple II version. The player controls the most critical flight phases such as Launch, Stabilizing