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Astronaut Mark Vande Hei performs microscopy operations to capture images of the Cardinal Muscle investigation BioCells wells.

Astronaut Thomas Pesquet works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.

Astronaut Thomas Pesquet works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.

NASA astronaut Megan McArthur works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.…

Astronaut Megan McArthur works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.

Astronaut Megan McArthur works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.

Astronaut Thomas Pesquet works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.

Astronaut Mark Vande Hei performs microscopy operations to capture images of the Cardinal Muscle investigation BioCells wells.

The Interim Cryogenic Propulsion Stage for the second flight of NASA’s Space Launch System (SLS) rocket arrived in Florida on…