Expedition 64 Flight Engineer Shannon Walker poses with a pair of free-flying, cube-shaped robots that are part of the Astrobee study.
iss064e023424 (Jan. 18, 2021) — NASA astronaut and Expedition 64 Flight Engineer Shannon Walker poses with a pair of free-flying, cube-shaped robots that are part of the Astrobee study that is investigating their ability navigate autonomously and assist astronauts with routine chores aboard the International Space Station.