In July 1960 the astronauts finished a five and a half day survival course at Stead Air Force Base in Nevada.  That’s right, Nevada in July.  Hot.  The course held three phases.  The first part was academic.  The astronauts learned about survival operations in the North African or Australian desert.  The second phase had demonstrations of how to use and care for clothing, the spacecraft, and the survival equipment.  The last phase was the toughest.  The astronauts had three days of training where they put to use what they learned in the first two phases.  It was important to be prepared for anything.  All I can think about is water now.