Options presented to the White House by members of the Augustine Committee is as follows :
* Continue Constellation Program of Ares I rocket. Space shuttle retired in 2011. International space station closed in 2015. First moon orbit after 2028. Cost: $99 billion through 2020; $205 billion through 2030
* Retire shuttle in 2011.Keep the station until 2020. Use commercial rocket. First moon orbit after 2028. Cost: $101 billion through 2020; $204 billion through 2030.
* Fly shuttle until 2015; extend station to 2020, with commercial rockets taking crew there. First moon orbit in early 2020s. No cost data available.
* Build a shuttle-derived rocket; use orbiting fuel depots to orbit moon in 2023; asteroids in 2027; Mars in 2029; land on moon by 2030. Cost: $123 billion through 2020; $266 billion through 2030.
* Build a commercial rocket; use fuel depots to orbit moon in 2024, asteroids in 2026, Mars in 2028 and land on the moon in 2029. $123 billion to 2020; $256 billion to 2030.
* Use commercial rockets to space station. Build Ares V "lite" to orbit moon in 2025, asteroids in 2030, Mars in 2034; land on moon in 2035. $126 billion through 2020; $272 billion through 2030.
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