Image: Extravehicular Mobility Unit Training for Expedition 28

Attired in a training version of his Extravehicular Mobility Unit spacesuit, NASA astronaut Mike Fossum participated in spacewalk training in the waters of the Neutral Buoyancy Laboratory near NASA’s Johnson Space Center. Divers in the water assisted Fossum in his rehearsal, which helps prepare him and his fellow astronauts for work on the exterior of the International Space Station. Image Credit: NASA. Larger images.

Attired in a training version of his Extravehicular Mobility Unit spacesuit, NASA astronaut Mike Fossum participated in spacewalk training in the waters of the Neutral Buoyancy Laboratory near NASA’s Johnson Space Center. Divers in the water assisted Fossum in his rehearsal, which helps prepare him and his fellow astronauts for work on the exterior of the International Space Station. Image Credit: NASA. Larger images.