Unverified50% confidenceFactExact time
George H. W. Bush proposed the SEI in 1989 with a goal of landing on Mars before 2019, George W. Bush proposed the Constellation program in 2004, and Obama set a goal in 2010 of sending humans into Mars orbit by the mid-2030s; all of these goals were ultimately significantly revised or cancelled due to budget or technical reasons.
1
Sources
50%
Confidence
Long-term
Relevance
8/30/2026
First Seen
Sources
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