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| | Project Gemini - Wikipedia, the free encyclopedia |
 | | The Gemini program was managed by the Manned Spacecraft Center, Houston, Texas, under direction of the Office of Manned Space Flight, NASA Headquarters, Washington, D.C, Dr. George E. Mueller, Associate Administrator of NASA for Manned Space Flight, served as acting director of the Gemini program. |
 | | The Gemini Program was conceived after it became evident to NASA officials that an intermediate step was required between the projects Mercury and Apollo. |
 | | Gemini 3 was backed up by Gus Grissom and Frank Borman, who were also slated for Gemini 6, the first long-duration mission. |
| en.wikipedia.org /wiki/Project_Gemini (2355 words) |
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