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Participate in the Mission – Be a Human Test Subject!
Developing countermeasures for the effects of space flight often requires investigators to rely on human subjects to support data collection.
Learn More about Participate in the Mission – Be a Human Test Subject!![zero-g checkout flight](https://www.nasa.gov/wp-content/uploads/2023/03/hhp-jsc2013e087500.jpeg?w=2048)