“I could have gone on for another three or four orbits, but it was a question of playing it safe.”— Gordon Cooper
“I have the best of all worlds. I'm seeing the most beautiful sights, both on the Earth and in the heavens.”— Laurel Clark
“Things were beginning to malfunction. The attitude control system was acting up, and the automatic pilot was not working.”— Gordon Cooper
“Being a commander is a totally different perspective... you’re worried about the crew; you’re worried about the vehicle; you’re worried about the mission objectives.”— Richard Richards
“It was a mind-boggling experience, and it's something that I'll remember for the rest of my life.”— Mike Melvill
“The biggest challenge is not the engineering and the rocket science, but it's the dealing with the human factors in long-duration spaceflight.”— Leroy Chiao
“John and I were certainly aware that there was a good chance we were not going to come back. But we were willing to take that risk.”— Robert Crippen