NASA astronaut candidate Kayla Barron participates in spacewalk training at the Neutral Buoyancy Laboratory.
NASA astronaut Kayla Barron participates in T-38 preflight training at Ellington Field in Houston, Texas.
NASA astronaut Kayla Barron participates in T-38 preflight training at Ellington Field in Houston, Texas.
Cygnus in the grips of the Canadarm2 robotic arm after it was installed on the Unity module.
Astronauts Mark Vande Hei and Shane Kimbrough unpack cargo bags inside the International Space Station.
NASA astronaut Shane Kimbrough unpacks cargo bags inside the International Space Station.
The SpaceX Crew Dragon Endeavour is pictured docked to the International Space Station.
Astronaut Mark Vande Hei works performs microscopy operations for the Cardinal Muscle investigation.
Astronaut Thomas Pesquet seemingly juggles food and snack containers from France's National Centre for Space Studies.
Astronaut Thomas Pesquet checks a variety of spacewalk tools inside the U.S. Quest airlock.
