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   Orion (spacecraft)

   Orion is a spacecraft design currently under development by the United States space agency NASA. Each Orion spacecraft will carry a crew of four to six astronauts, and will be launched by the Ares I, a launch vehicle also currently under development.
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   Project Orion (nuclear propulsion)

   A 1959 report by General Atomics explored the parameters of three different sizes of hypothetical Orion spacecraft: ... From 1957 until 1964 this information was used to design a spacecraft propulsion system called "Orion" in which nuclear explosives would be thrown through a pusher-plate mounted on the bottom of a spacecraft and exploded underneath.
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   Constellation program

   As the Orion spacecraft is the "nucleus" of Project Constellation, its design would most likely be used for a possible flight to a near-Earth asteroid.
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   In-flight aborts and rescue options

   In the context of the Orion spacecraft, in-flight aborts and rescue options are activities which might take place if there were an emergency during a mission.
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   Project Constellation

   As the Orion spacecraft is the "nucleus" of Project Constellation, its design would most likely be used for a possible flight to a near-Earth asteroid.
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   Orion Asteroid Mission

   Once their task is completed, the Orion spacecraft will then depart from the asteroid, and, upon reaching the vicinity of Earth, would jettison both the Service Module and the landing module in a manner similar to that of Apollo 13 (ie. separating the Service Module before the landing module) before entering the atmosphere for a Pacific Ocean splashdown.
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   Altair (spacecraft)

   The cryogenic fuels, like the hypergolic fuels planned for the Orion spacecraft, will be pressure-fed using helium gas, eliminating malfunction-prone pumps.
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   Ares I

   NASA plans to use Ares I to launch Orion, the spacecraft being designed for NASA human spaceflight missions after the Space Shuttle is retired in 2010. ... Orion (spacecraft)
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   Shuttle-Derived Launch Vehicle

   After the Orion spacecraft docks with the LSAM/EDS, the EDS then fires its J-2X motor again to thrust the Orion/LSAM stack towards the Moon. ... The Orion Command Module, a space capsule like the Apollo and Soyuz, is positioned above the cryogenic tankage, eliminating the chance of damage to reentry or pressurization systems by falling ice or insulation foam.
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    Ares IV

    After two Ares IV launches, one for the manned Orion spacecraft and one for the unmanned LSAM lander, the Orion and LSAM vehicles would rendezvous and dock in lunar orbit.

Explore the following pages on Powerset:

• Orion (spacecraft),
• Project Orion (nuclear propulsion),
• Constellation program,
• In-flight aborts and rescue options,
• Project Constellation,
• Orion Asteroid Mission,
• Altair (spacecraft),
• Ares I,
• Shuttle-Derived Launch Vehicle,
• Ares IV