Today we meet with Dr. Tess Caswell. Dr. Caswell  is an Extra Vehicular Activity or E. V. A Operations Engineer at NASA. Her work helps to  plan spacewalks and prepares astronauts to conduct them. Dr. Caswell holds a bachelor of science in Mechanical Engineering from the University of Alaska Fairbanks and a PhD in Planetary Geology from Brown University. She has previously worked as an Environmental Systems officer in mission control for the International Space Station, lived for a month in a simulated space station as part of NASA's Human Exploration Research Analog, and served as Lead Capsule Controller at the private aerospace company Blue Origin. She is a private pilot and in her free time enjoys flying small airplanes, exercising, or reading a good book.

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