To recognize that the greatest error is not to have tried and failed, but that in trying, we did not give it our best effort
The C Mission was the first command and service module. The D Mission was the first mission involving a lunar module in a manned fashion and the command module, and the E would take this lunar module and the command module into a very high elliptical orbit, about 4,000-mile-high orbit.
We've learned a lot by building the International Space Station, the good, the bad. But, the fact is is that working together as a team, unity aboard that space station, we can accomplish great things.
I was working as a flight director on the Gemini IX mission, and it seemed almost overnight I was picking up the responsibilities for the Apollo Program.
Spaceflight will never tolerate carelessness, incapacity, and neglect.