NASA Buoyancy Lab
Justin McRoberts, program manager for the DoD Manufacturing Science and Technology Program, stands over the indoor pool of NASA's Buoyancy Lab at Johnson Space Center. This pool acts as a training environment for astronauts working on the International Space Station mission. (DoD photo by Alex Chesney)

Photo by: Alex Chesney |  VIRIN: 230222-D-DA712-1000.JPG