To the Moon and back: 50 years on, a giant leap into the unknown

The first four days of Apollo 11's journey to the Moon had gone according to plan, but just twenty minutes before landing, the atmosphere grew tense as the crew encountered a series of problems.

source https://www.lifetechnology.com/blogs/life-technology-news-blog/to-the-moon-and-back-50-years-on-a-giant-leap-into-the-unknown-1