Question

9 our nations space program can involve many risks such as the explosion of the ____ where loss of life occurred. space shuttle enterprise space shuttle atlantis space shuttle discovery space shuttle challenger skip 8/12 complete

Explanation:

The Space Shuttle Challenger exploded shortly after launch on January 28, 1986, resulting in the death of all seven crew - members. The other shuttles mentioned did not have such a fatal explosion event.

Answer:

Space Shuttle Challenger