NASA - National Aeronautics and Space Administration

S131-E-010074 (14 April 2010) --- NASA astronauts Clayton Anderson and Dorothy Metcalf-Lindenburger, both STS-131 mission specialists, are pictured in the Kibo laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

S131-E-010080 (14 April 2010) --- Japan Aerospace Exploration Agency (JAXA) astronaut Naoko Yamazaki, STS-131 mission specialist, eats a snack in the Kibo laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

S131-E-010088 (14 April 2010) --- NASA astronaut Tracy Caldwell Dyson, Expedition 23 flight engineer, equipped with a bungee harness, exercises on the Combined Operational Load Bearing External Resistance Treadmill (COLBERT) in the Harmony node of the International Space Station while space shuttle Discovery (STS-131) remains docked with the station.

S131-E-010135 (14 April 2010) --- NASA astronaut Stephanie Wilson, STS-131 mission specialist, poses for a photo near a window in the Kibo laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

S131-E-010137 (14 April 2010) --- NASA astronaut Dorothy Metcalf-Lindenburger, STS-131 mission specialist, poses for a photo near a window in the Kibo laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

S131-E-010141 (14 April 2010) --- NASA astronaut James P. Dutton Jr., STS-131 pilot, poses for a photo near a window in the Kibo laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

S131-E-010154 (14 April 2010) --- NASA astronauts Clayton Anderson and Stephanie Wilson, both STS-131 mission specialists; and astronaut Tracy Caldwell Dyson (right), Expedition 23 flight engineer, are pictured in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station.

S131-E-010163 (14 April 2010) --- Russian cosmonaut Oleg Kotov (left), Expedition 23 commander; and NASA astronaut Alan Poindexter, STS-131 commander, shake hands in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station. NASA astronauts James P. Dutton Jr., STS-131 pilot; and Tracy Caldwell Dyson, Expedition 23 flight engineer, are also pictured.