ISS013-E-67441 (17 Aug. 2006) --- Astronaut Jeffrey N. Williams, Expedition 13 NASA space station science officer and flight engineer, holds a sleeping bag while conducting an educational teleconference with the Boys and Girls Clubs of Middle Tennessee in Nashville, via Ku- and S-band in the Destiny laboratory of the International Space Station, with audio and video relayed to the Mission Control Center at Johnson Space Center.