#space_program__spaceprogram  a technological program intended to explore outer space
  supertype:  #program__programme  a system of projects or services intended to meet a public need; "he proposed an elaborate program of public works"; "working mothers rely on the day care program"
  subtype:  #Apollo_program  a program of space flights undertaken by US to land a man on the moon; "the first lunar landing was achieved by the Apollo program on July 20, 1969"
  subtype:  #Gemini_program  a program of space flights undertaken by US in 1965 and 1966; "under the Gemini program each crew had two astronauts"
  subtype:  #Mercury_program  a program of rocket-powered flights undertaken by US between 1961 and 1963 with the goal of putting a man in orbit around the earth; "under the Mercury program each flight had one astronaut"

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