Chapter 5 – 30 Seconds and Counting – America's Uncommon Sense
If we really have the TR-3B, why are we wasting money on NASA and chemical rockets instead of anti-gravity? - Quora
Could a version of Falcon 9 fly passengers around the world? - Quora
Launch Countdown
Infographic: Spacecraft of the Apollo Program
Saturn V: Inside the rocket that launched Apollo 11 to the Moon - BBC Science Focus Magazine
Why was the Saturn V rocket not used to go directly to the Moon instead of launching multiple smaller rockets and assembling in Earth orbit like they did in the Apollo program?
Apollo Saturn V launch hold - recycle and scrub turnaround constraints
Space Shuttle Technical Conference - NASA Office of Logic Design
Why is NASA working on Artemis, a new space craft for the moon mission? Why are they not using Apollo for the upcoming moon mission? - Quora
60+ Years of Humans to Mars Mission Planning