SPHERES Test Session in the US Lab

ISS016-E-025588 (27 Jan. 2008) --- This medium close-up view in the Destiny laboratory of the International Space Station shows one floating ball-shaped item which is actually one of the Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES). Cosmonaut Yuri I. Malenchenko, Expedition 16 flight engineer representing Russia's Federal Space Agency, is visible in the background.