Miria Finckenor, a researcher at NASA’s Marshall Space Flight Center in Huntsville, Alabama, shows off the 15th Materials International Space Station Experiment, or MISSE, an external science payload berthed on the International Space Station since 2001

Miria Finckenor, a researcher at NASA’s Marshall Space Flight Center in Huntsville, Alabama, shows off the 15th Materials International Space Station Experiment, or MISSE, an external science payload berthed on the International Space Station since 2001