It is now 50 years since the ill-fated Apollo 13 mission to the Moon, one that turned out to be a "successful failure", in returning 3 astronauts safely to Earth following an incident that crippled the spacecraft en route. The whole world held its breath and hoped for a good outcome.
The story has been dramatised in a highly-regarded feature film, and rendered the expressions "Houston - we have a problem" and "Failure is not an option" into common parlance.
There is still a lot to be learned from the incident. Gene Krantz's autobiography, which embraces the topic, is compelling reading for those interested in space, Engineering, problem-solving and leadership.
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