page_title: List of crewed spacecraft
section_title: Mercury (1961–1963)
hierarchical_section_title: List of crewed spacecraft / Former crewed spacecraft / Mercury (1961–1963)
caption_attribution_description: Français&#160;: Le module de Commande et de Service d'Apollo 17 photographié depuis le module lunaire Apollo au moment du rendez vous postérieur à l'exploration au solEnglish: Apollo 17&#160;: the Command Module photographed from the Lunar Module at rendezvous
context_page_description: Crewed spacecraft are designed to support human life for the human spaceflight portion of the mission. Spacecraft for human spaceflight must have a human-rating certification as fit for purpose. Crewed spacecraft must be pressurised, usually between 800 mbar and 1 bar; temperature regulated, usually 20-24°C; and have a breathable atmosphere.
  Crewed spacecraft can be space capsules, spaceplanes, and space stations.
  This is a list of past, present, and future spacecraft designed for human spaceflight.
context_section_description: United States single-person Earth orbital spacecraft 6 flights (including 2 sub-orbital). Mercury was the United States first crewed spacecraft. On 5 May 1961 Mercury-Redstone 3 carried the first American, Alan Shepard, into space on a sub-orbital flight. On 20 February 1962 Mercury-Atlas 6 carried the first American, John Glenn, into Earth orbit.
caption: Apollo 17 CSM orbiting the Moon.
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