
Teams from NASA’s Exploration Ground Systems and Space Launch System (SLS) practice SLS booster stacking with pathfinders inside Kennedy Space…

Astronaut Andrew Morgan of NASA, whose U.S. spacesuit is outfitted with a variety of tools and cameras, holds on to…

Astronaut Andrew Morgan of NASA is tethered to the Starboard-3 truss segment work site.

Astronaut Andrew Morgan of NASA is tethered to the Starboard-3 truss segment work site.

Astronaut Andrew Morgan of NASA is tethered to the Starboard-3 truss segment work site.

Astronaut Luca Parmitano of ESA (European Space Agency) takes an out-of-this-world “space-selfie” with his spacesuit’s helmet visor down.

NASA astronaut Andrew Morgan is pictured in his U.S. spacesuit inside the crew lock portion of the Quest joint airlock.

NASA astronaut Christina Koch and Roscosmos cosmonaut Oleg Skripochka are pictured in the equipment lock portion of the Quest joint…

Flight Engineers Christina Koch and Oleg Skripochka are pictured assisting spacewalkers Andrew Morgan (left) and Luca Parmitano (right) in the…

Astronaut Luca Parmitano of ESA (European Space Agency) is pictured holding a camera protected from the hazards of microgravity by…