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CAPE CANAVERAL, Fla. - The International Space Station flies toward the moon over NASA's Kennedy Space Center in Florida approximately 15 minutes before the launch of space shuttle Discovery on the STS-131 mission. If Discovery successfully lifts off at 6:21 a.m. EDT April 5 as planned, the shuttle will dock with the station in two days time. The seven-member crew will deliver the multi-purpose logistics module Leonardo, filled with supplies, a new crew sleeping quarters and science racks that will be transferred to the International Space Station's laboratories. The crew also will switch out a gyroscope on the station’s truss, install a spare ammonia storage tank and retrieve a Japanese experiment from the station’s exterior. STS-131 is the 33rd shuttle mission to the station and the 131st shuttle mission overall. For information on the STS-131 mission and crew, visit http:__www.nasa.gov_mission_pages_shuttle_shuttlemissions_sts131_index.html. Photo courtesy of Fernando Echeverria