In Photos: The Space Station Spacewalks of Expedition 56

Proud Moment


From inside the ISS, astronaut Alexander Gerst of ESA watches as his crewmates Oleg Artemyev and Sergey Prokopyev install the Icarus experiment antenna.



As Prokopyev lays the necessary cable for the Icarus animal-tracking experiment equipment, Artemyev, in the red striped suit, assists in the more than 7 hour spacewalk.

Get 'er Done


In just under 8 hours, comsonauts Artemyev and Prokopyev, seen here, lay cable and install antennas for the Icarus animal-tracking experiment, collect completed experiments and release four nano satellites.

Step One, Step Two


Roscosmos' Oleg Artemyev installs the Icarus animal-tracking experiment antenna to the cable laid earlier by Prokopyev.

The Ultimate!


ESA's Alexander Gerst captures his cosmonaut crewmates installing the Icarus antenna outside the ISS.

Overcoming Odds


Working for 8 hours, through the short light and dark transitions in orbit, cosmonauts Artemyev and Prokopyev completed all their assigned tasks in their Aug. 15, 2018 spacewalk.

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Christine Lunsford
Producer and Contributing Writer

Christine Lunsford joined the team in 2010 as a freelance producer and later became a contributing writer, covering astrophotography images, astronomy photos and amazing space galleries and more. During her more than 10 years with, oversaw the site's monthly skywatching updates and produced overnight features and stories on the latest space discoveries. She enjoys learning about subjects of all kinds.