Stock Photo - STS-124 crewmembers pose for a portrait following a joint news conference with the Expedition 17 crewmembers from the Kibo Japanese Pressurized Module of the International Space Station while Space Shuttle Discovery is docked with the station. From the left (front row) are NASA astronauts Karen Nyberg, Garrett Reisman, both mission specialists; Mark Kelly, commander; Greg Chamitoff, Expedition 17 flight engineer; and Ken Ham, pilot. From the left (back row) are Japan Aerospace Exploration Agency astronaut Akihiko Hoshide, NASA astronauts Ron Garan and Mike Fossum, all mission specialists. Reisman, who joined the station's crew in March, is being replaced by Chamitoff, who arrived at the station with the STS-124 crew.