NASA astronaut Jessica Meir (centre, born 1977) attached to an articulating portable foot restraint during a spacewalk with NASA astronaut Christina Koch (upper right, born 1979). The two Expedition 61 flight engineers were finalizing the upgrade of power systems on the International Space Station's (ISS) Port-6 truss structure. Meir and Koch were the first women to participate in an all-female spacewalk. Photographed on 20th January 2020.