Apollo 11 – Apollo Flight Journal:

A detailed account of every second of the Apollo 11 descent and landing. The video combines data from the onboard computer for altitude and pitch angle, 16mm film that was shot throughout the descent at 6 frames per second. The audio recording is from two sources. The air/ground transmissions are on the left stereo channel and the mission control flight director loop is on the right channel. Subtitles are included to aid comprehension. This is part of the Apollo Flight Journal, Apollo 11 collection.

50 years ago tomorrow, this incredible feat of engineering happened.