NASA astronaut Mark Watney is a member of the third manned mission to Mars. When they are forced to abort the mission on the sixth day on the surface due to a violent dust storm, Watney is left behind on the assumption that he is dead. During the storm, the communication systems were destroyed. Watney uses his skills as a botanist and engineer to cultivate potatoes and produce drinking water.
To survive in hostile environments you need: Vulnerable technology Experience and expertise Knowledge of ancient technologies and techniques Good stock management --> you need much less to survive and live than we are often told.