Why was the Gemini program valuable to future space programs?

The Gemini program was valuable to the future space programs because: Gemini astronauts worked to perfect methods of re-entry and landing.

Explanation:

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The Gemini program was valuable to the future space programs because: Gemini astronauts worked to perfect methods of re-entry and landing. It was carried out during the year 1965 to 1966 to shape up the future space programs and send the first man to moo successfully in due course. The program was conducted by NASA.

the structure was most likely used for;

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