With Commander Dominic Gorie and Pilot Gregory H. Johnson at the controls, space shuttle Endeavour glided to a picture perfect landing at Kennedy Space Center, Fla.
The STS-123 crew began its mission March 11 and arrived at the International Space Station March 12. The astronauts delivered the Japanese Logistics Module - Pressurized Section (JLP), the first pressurized component of the Japan Aerospace Exploration Agency's Kibo laboratory to the station. The crew of Endeavour also delivered the final element of the station's Mobile Servicing System, the Canadian-built Dextre, also known as the Special Purpose Dextrous Manipulator.
Mission Specialists Richard Linnehan, Robert Behnken and Mike Foreman and Expedition 16 Flight Engineer Garrett Reisman conducted five spacewalks. Three of them included tasks devoted to the assembly of Dextre and the installation of related equipment. Dextre works with the orbital outpost's robotic arm and resembles a human upper torso stick figure.
Other spacewalk activities included work to unberth the JLP, installation of spare parts and tools, installation of a materials experiment, replacement of a circuit-breaker box and demonstration of a repair procedure for tiles of the shuttle's heat shield.
The spacewalkers also stowed the Orbiter Boom Sensor System, the extension of the shuttle's robotic arm, onto the station's main truss during the fifth spacewalk. The Japanese pressurized module to be launched on STS-124 is too large to accommodate the boom sensor in space shuttle Discovery's payload bay.
Astronaut Garrett Reisman officially joined the Expedition 16 crew, trading places with European Space Agency astronaut Leopold Eyharts, who returned to Earth aboard Endeavour after almost 50 days in space.
STS-123 is the 122nd shuttle mission and the 25th station assembly mission. The next mission, STS-124, is slated to launch in May.