Russian cosmonauts Oleg Artemyev (right) and Alexander Skvortsov with Russia's Federal Space Agency (Roscosmos) work on the BD-2 treadmill in the Zvezda service module aboard the Earth-orbiting International Space Station.
ISS039-E-016480 (30 April 2014) — Russian cosmonauts Oleg Artemyev (right) and Alexander Skvortsov with Russia’s Federal Space Agency (Roscosmos) work on the BD-2 treadmill in the Zvezda service module aboard the Earth-orbiting International Space Station.