NASA astronaut Jonny Kim removes a cryogenic storage unit containing frozen protein crystal samples

iss073e0071610 (May 16, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim removes a cryogenic storage unit, called a dewar, containing frozen protein crystal samples from a science freezer located inside International Space Station's Kibo laboratory module. The research activities were part of a technology demonstration potentially enabling the synthesis of medications during deep space missions and improving the pharmaceutical industry on Earth.