How astronauts prepare for life aboard the International Space Station
In short: Becoming an astronaut requires more than just bravery. To survive a six-month mission, candidates must navigate a rigorous, multi-year training pipeline that spans fundamental engineering, complex robotics, and even survival skills to ensure every flight is executed with absolute precision.
The journey to space begins with a year of basic training, often conducted at facilities like the European Astronaut Centre (EAC). During this phase, candidates study engineering and science fundamentals before moving into the complexities of space systems. This includes mastering the operations of the International Space Station (ISS), transportation vehicles like the Russian Soyuz or US commercial crew vehicles from SpaceX and Boeing, and ground control procedures. To prepare for the physical realities of space, trainees also practice extravehicular activities, robotics, and spacecraft docking.
Once the foundations are set, astronauts enter pre-assignment training. This variable-duration phase provides the in-depth skills necessary to operate, service, and maintain the station’s modules, payloads, and transport vehicles. It is a generic but highly detailed stage where astronauts from partners like NASA, Roscosmos, ESA, JAXA, and CSA gain expertise in specialized functions such as navigation, medical aspects, and resource operations. This phase often involves traveling to various partner sites to gain first-hand familiarity with flight elements.
The final, most intensive stage is increment training. Once an astronaut is assigned to a specific mission, they begin a roughly two-year period dedicated entirely to the tasks they will perform during their stay. For a typical six-month mission on the ISS, this preparation ensures every objective is met safely. Training environments range from classroom lessons and virtual reality labs to high-fidelity simulators and the Neutral Buoyancy Laboratory, ensuring that when the crew launches—such as the Expedition 47/48 crew aboard a Soyuz TMA-20M—they are ready for the vacuum of space.
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Sources
- Summary by Intellect · source: Training for Tour of Duty on the Space Station
- Also: Training for space
- Also: Crew & Operations Training - NASA
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