What purpose was the Boeing CST-100 Starliner mission (CFT) intended to serve before the delays occurred?

Answer

A final test before entering regular rotation for NASA’s Commercial Crew Program

The mission was designed as a final test of the vehicle to certify it before it begins its regular operational rotation schedule for NASA's Commercial Crew Program.

What purpose was the Boeing CST-100 Starliner mission (CFT) intended to serve before the delays occurred?

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