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Canceled Apollo missions. Several planned missions of the Apollo crewed Moon landing program of the 1960s and 1970s were canceled, for reasons which included changes in technical direction, the Apollo 1 fire, hardware delays, and budget limitations. After the landing by Apollo 12, Apollo 20, which would have been the final crewed mission to the ...
Mission cancellations (developmental) Gravity and Extreme Magnetism - 2012. International X-ray Observatory - 2011. Terrestrial Planet Finder - 2011. Laser Interferometer Space Antenna - 2011. Space Interferometry Mission - 2010. Mars Telecommunications Orbiter - 2009. Jupiter Icy Moons Orbiter - 2005. Europa Orbiter - 2002.
Canceled Space Shuttle missions. During NASA 's Space Shuttle program, several missions were canceled. Many were canceled as a result of the Challenger and the Columbia disasters or due to delays in the development of the shuttle. Others were canceled because of changes in payload and mission requirements.
e. The Constellation program (abbreviated CxP) was a crewed spaceflight program developed by NASA, the space agency of the United States, from 2005 to 2009. The major goals of the program were "completion of the International Space Station " and a "return to the Moon no later than 2020" with a crewed flight to the planet Mars as the ultimate goal.
Space Shuttle program. The Space Shuttle program was the fourth human spaceflight program carried out by the U.S. National Aeronautics and Space Administration (NASA), which accomplished routine transportation for Earth-to-orbit crew and cargo from 1981 to 2011. Its official name, Space Transportation System ( STS ), was taken from a 1969 plan ...
Apollo program. The Apollo program, also known as Project Apollo, was the United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which succeeded in preparing and landing the first men [2] on the Moon from 1968 to 1972.
However, the Constellation program, including Ares I, was cancelled by U.S. president Barack Obama in October 2010 with the passage of his 2010 NASA authorization bill. In September 2011, NASA detailed the Space Launch System as its new vehicle for human exploration beyond Earth's orbit.
The twin pads originally built for the Apollo program were deactivated. LC-39B was deactivated first on January 1, 2007. Three lightning towers were added to the pad and it was temporarily "re-activated" in April 2009 when Endeavour was placed on standby to rescue the STS-125 crew (the STS-125 mission was the last to visit the Hubble Space Telescope, which meant that the ISS was out of range ...