NASA Gives 'Go' for Space Shuttle Launch on March 11
CAPE CANAVERAL, Fla. -- NASA managers completed a review Friday of space shuttle Discovery's readiness for flight and selected the official launch date for the STS-119 mission. Commander Lee Archambault and his six crewmates are now scheduled to lift off to the International Space Station at 9:20 p.m. EDT on March 11.
Discovery's launch date was announced following Friday's Flight Readiness Review. During the meeting, top NASA and contractor managers assessed the risks associated with the mission and determined the shuttle's equipment, support systems and procedures are ready for flight.
The review included a formal presentation of the shuttle's flow control valve work, initiated after NASA identified damage to a valve on shuttle Endeavour during its November 2008 flight. Using a detailed inspections, there are three valves that have been cleared of crack indications now installed in Discovery to support the STS-119 mission.
Discovery's STS-119 flight will deliver the space station's fourth and final set of solar array wings, completing the station's truss, or backbone. The arrays will provide the electricity to fully power science experiments and support the station's expanded crew of six in May. The 14-day mission will feature four spacewalks to help install the S6 truss segment to the starboard, or right, side of the station and the deployment of its solar arrays. The flight also will replace a failed unit for a system that converts urine to potable water.
Archambault will be joined on STS-119 by Pilot Tony Antonelli and Mission Specialists Joseph Acaba, Steve Swanson, Richard Arnold, John Phillips and Japan Aerospace Exploration Agency astronaut Koichi Wakata. Wakata will replace space station crew member Sandra Magnus, who has been aboard the station for more than four months. He will return to Earth during the next station shuttle mission, STS-127, targeted to launch in June 2009.
Former science teachers Acaba and Arnold are now fully-trained NASA astronauts. They will make their first journey to orbit on the mission and step outside the station to conduct critical spacewalking tasks.
For more information about the upcoming shuttle flights, visit: http://www.nasa.gov/shuttle
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