The Neutral Buoyancy Laboratory is a busy place! In this timelapse, NASA astronauts Sunita Williams and Josh Cassada suit up and enter the 6.2 million gallon pool to practice for spacewalks. Meanwhile, water survival training is taking place on the other side of the NBL, designed large enough to accompany two activities taking place at once. Learn more about the Neutral Buoyancy Lab here: https://www.nasa.gov/centers/johnson/pdf/167748main_FS_NBL508c.pdf | NASA's Johnson Space Center

Follow a day in the life at the office—a 6.2-million-gallon pool—for NASA dive specialist Arielle Valdez. At the Neutral Buoyancy Lab, a simulated microgravity environment, she trains astronauts for spacewalks. Watch the latest Surprisingly STEM episode to see how swimming and STEM go hand in hand. More NASA STEM resources and activities for educators and students: stem.nasa.gov | NASA - National Aeronautics and Space Administration

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