In which of the following space missions did Katherine Johnson play a role?

NASA's Mercury program (1961–63) of crewed spaceflights. In 1961 she calculated the path for Freedom 7, the spacecraft that put the first U.S astronaut in space.

Explanation:

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Mercury program

Johnson authored or coauthored 26 research reports during her career. Katherine Johnson, mid-1960s. Johnson also played an important role in NASA's Mercury program (1961–63) of crewed spaceflights. In 1961 she calculated the path for Freedom 7, the spacecraft that put the first U.S astronaut in space, Alan B.

the answer a: perseverance !

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