To the Moon – The Apollo program achieves its major objective. Dragon, Falcon, and Spacex – New Directions in re-usable spacecraft. Gaia – Mapping our galaxy in unprecedented detail.

The beginning of the End – After the first moon landing the Apollo science program was about to start in earnest but people were losing interest. Apollo gets complicated – new technology is added that extends the reach of the Apollo program.

The Shuttle Program – The first reusable spacecraft. The Challenger Disaster – Pressing launch schedules to lead to carelessness and the loss of the Challenger. Return to Space – A re-designed shuttle is back in space with a redefined role.

The Space Shuttles matures – the Space Transportation System changes the nature of orbital missions. Complex Construction in Space – Confidence in the shuttle begins to return and engineers forget the lessons of the past.