Christer Fuglesang (centre), Swedish astronaut, using virtual reality hardware to prepare for the STS-116 Space Shuttle Discovery mission to the International Space Station (ISS). The hardware allows astronauts to simulate using the station equipment they will operate on the mission, which departs in December 2006. Fuglesang is wearing a special helmet and gloves to use the hardware. Photographed on 7th August 2006 in the Space Vehicle Mockup Facility at NASA's Johnson Space Center, Houston, Texas, USA.