Launch of STS 119
Space shuttle Discovery and its seven-member crew lifted off from NASA's Kennedy Space Center at 7:43 p.m. on Sunday to deliver the final set of power-generating solar array wings and a new crew member to the International Space Station.
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Discovery's STS-119 flight is carrying 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 13-day mission will feature three spacewalks to help install the S6 truss segment to the starboard, or right, side of the station and deploy its solar arrays.