NASA's Mercury astronauts were seven highly skilled professional test pilots. Each of them seemed to possess the strength of character and commitment necessary to overcome apparently insurmountable obstacles as the United States entered into a Cold War space race with the Soviet Union. This was never more evident than on the epic suborbital MR-4 flight of Liberty Bell 7 with astronaut Virgil ('Gus') Grissom piloting the spacecraft to a successful...
Related Subjects
Engineering Science Science & Math Science & Scientists Science & Technology Technology