Question

Which of the following statements best describes the relationship between the Mercury, Gemini, and Apollo space programs?
Each program was based on the knowledge of the previous ones.
Each program was separate and unrelated to the others.
Each program repeated the flights of the previous programs.
Each program shared the same goals and missions.

Answer 1

Each program was based on the knowledge of the previous ones.

Mercury developed basic human spaceflight capabilities, Gemini built on that to master rendezvous, EVA and longer missions, and Apollo used those lessons to achieve the lunar landing.