This is a long read but worth the historical perspective, it's the Apollo 11 landing, annotated transcripts of the voice communications between mission control

This is a long read but worth the historical perspective, it's the Apollo 11 landing, annotated transcripts of the voice communications between mission control and the astronauts: http://www.hq.nasa.gov/alsj/a11/a11.landing.html http://www.hq.nasa.gov/alsj/a11/a11.landing.html