One of the primary goals of program was to send astronauts into space and return them safely. a)apollo b)gemini c)mercury

The correct answer is C) Mercury.

One of the primary goals of the Mercury program was to send astronauts into space and return them safely.

The first spaceflight program with humans in the United States was called Project Mercury. It started in 1958 and ended in 1963. The National Aeronautics and Space Administration goal for the Mercury project was to send humans piloting the ships around the orbit of the earth and return them safely. NASA developed the ability of the pilots to function and operate in space.