Why astronauts go underground to prepare for the stars

CAVES 2012 preparation · 3:12 · Video: European Space Agency, ESA · Watch at the source

In short: Before heading into the vacuum of space, astronauts must first master the art of teamwork in the deep silence of the earth. This video explores how a 12-day caving expedition in Italy serves as a high-stakes laboratory for human behavior.

The CAVES mission—an acronym for a cooperative exercise in human behavior and performance—sends a multicultural crew of six astronauts into uncharted Sardinian caves. The goal is to test how these explorers solve problems and maintain safety while following strict space procedures in a confined, unpredictable environment.

By simulating the isolation and technical demands of spaceflight in an underground setting, the European Space Agency aims to strengthen the team's ability to work together effectively. During the 2012 voyage, the team comprised Nikolai Tikhonov, Drew Feustel, Mike Fincke, Soichi Noguchi, David Saint-Jacques, and Andreas Mogensen.

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