Chamitoff performs a 3.5 hour run with the SPHERES Payload in the U.S. Laboratory during Expedition 17

ISS017-E-017318 (27 Sept. 2008) --- Astronaut Greg Chamitoff, Expedition 17 flight engineer, uses a computer while working with the Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) in the Destiny laboratory of the International Space Station.