Luna 16 was the first robotic probe to land on the Moon and return a sample of lunar soil to Earth after five unsuccessful similar attempts.
“Three brave astronauts are alive and on Earth because of the mission operations teams’ dedication, and because at the critical moments the people of that team were wise enough and self-possessed enough to make the right decisions. Their extraordinary feat is a tribute to man’s ingenuity, to his resourcefulness and to his courage.” President Richard Nixon
“During blackout every team member does his own soul searching, reviewing the decisions and the data, knowing they had to be nearly perfect and knowing how tough perfection is.” Gene Kranz
To Kranz and his team, this crew was special. They just could not lose them. Failure was not an option.