Roscosmos cosmonaut Sergey Prokopyev hand deploys one just outside of the Pirs docking compartment airlock.

Roscosmos cosmonaut Sergey Prokopyev hand-deploys one of two Tanyusha nano-satellites just outside of the Pirs docking compartment airlock during a spacewalk that lasted 7 hours 46 minutes. Fellow cosmonaut Oleg Artemyev (out of frame) joined Prokopyev during the spacewalk which also saw the installation of the Icarus animal-tracking experiment and the retrieval of a materials exposure experiment on the Russian segment of the International Space Station.