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  1. Project Gemini - NASA

    Dec 13, 2024 · The Gemini program was designed as a bridge between the Mercury and Apollo programs, primarily to test equipment and mission procedures in Earth orbit and to train astronauts …

  2. Project Gemini - Wikipedia

    In 1961, NASA selected McDonnell Aircraft, which was the prime contractor for the Project Mercury capsule, to build the Gemini capsule, the first of which was delivered in 1963.

  3. Gemini program - National Air and Space Museum

    Nov 19, 2021 · Project Gemini took place between the Mercury program, which was the United States' first human spaceflight program, and the Apollo program, which put the first human on the Moon. …

  4. Gemini | NASA, Astronauts, Astronautics | Britannica

    Gemini, any of a series of 12 two-man spacecraft launched into orbit around Earth by the United States between 1964 and 1966. The Gemini (Latin: “Twins”) program was preceded by the Mercury series …

  5. How Project Gemini changed spaceflight - Astronomy Magazine

    Apr 5, 2025 · Project Gemini was a series of two-man, Earth-orbital missions that pioneered rendezvous, docking, and maneuvering in-space, as well as spacewalking — all of which had to be perfected …

  6. Overview of the Gemini Program (1961–1966)

    The Gemini Program was NASA’s second crewed spaceflight program, designed to bridge the gap between the Mercury and Apollo programs. Its primary goal was to develop the technologies and …

  7. Gemini X - NASA

    Nov 18, 2025 · Gemini X was the eighth crewed Earth-orbiting spacecraft of the Gemini series, carrying astronauts John Young and Michael Collins. Its primary purpose was to conduct rendezvous and …