NASA Johnson: Astronaut Suni Williams is pictured during a six-hour spacewalk
NASA Johnson: Astronaut Nick Hague is pictured during a six-hour spacewalk
NASA Johnson: Astronaut Suni Williams is dwarfed near the SpaceX Dragon crew spacecraft
NASA Johnson: Astronaut Suni Williams is dwarfed near the SpaceX Dragon crew spacecraft
NASA Johnson: Astronaut Nick Hague takes a high-flying "space-selfie"
NASA Johnson: Astronaut Nick Hague exits the Quest airlock to begin a spacewalk
NASA Johnson: Astronaut Suni Williams during a spacewalk outside the International Space Station
NASA Johnson: NASA astronauts evaluate a spacesuit
NASA Johnson: NASA astronauts evaluate a spacesuit
NASA Johnson: Astronaut Butch Wilmore configures spacewalking hardware
NASA Johnson: Astronaut Suni Williams tries on and evaluates her spacesuit
NASA Johnson: NASA astronauts evaluate their spacesuits
NASA Johnson: NASA astronauts evaluate their spacesuits
NASA Johnson: NASA astronauts prepare to evaluate their spacesuits
NASA Johnson: Astronaut Suni Williams wears a virtual reality headset during spacewalk training
NASA Johnson: Astronaut Suni Williams wears a virtual reality headset during spacewalk training
NASA Johnson: A U.S. spacesuit is pictured being serviced for maintenance
NASA Johnson: Astronaut Don Pettit's reflection is prominent on a spacesuit helmet's visor
NASA Johnson: Roscosmos cosmonaut Alexey Ovchinin rides the European robotic arm
NASA Johnson: Roscosmos cosmonaut Alexey Ovchinin rides the European robotic arm
NASA Johnson: Roscosmos cosmonaut Alexey Ovchinin rides the European robotic arm
NASA Johnson: Astronauts assist spacewalkers inside the Quest airlock
NASA Johnson: Astronauts assist spacewalkers inside the Quest airlock
NASA Johnson: NASA astronaut Mike Barratt is pictured in his spacesuit
NASA Johnson: NASA astronaut Tracy C. Dyson is pictured in her spacesuit
NASA Johnson: Astronauts Mike Barratt and Tracy C. Dyson are pictured in the Quest airlock
NASA Johnson: Astronaut Tracy C. Dyson is pictured in her spacesuit
NASA Johnson: Astronauts Tracy C. Dyson and Mike Barratt during a spacesuit fit check
NASA Johnson: NASA astronauts participate in a spacesuit fit check
NASA Johnson: Astronaut Tracy C. Dyson is pictured during a spacesuit fit check