Read this excerpt from “President Ronald Reagan's Address to the Nation” following the explosion of the Challenger space shuttle.

The future doesn't belong to the fainthearted; it belongs to the brave. The Challenger crew was pulling us into the future, and we'll continue to follow them.

Based on this excerpt, President Reagan most likely believed that

the Challenger crew was weak and fainthearted.
the future should be faced with anxiety and caution.
Americans should follow the example set by the crew.
the space program should stop launching shuttles.