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A launch try Wednesday was scrubbed because of a possible short in one of the shuttle 's three electricity producing fuel cells . Countdown clocks then resume ticking from the T-minus 9 minute mark , smoothly proceeding to ignition at 2:38 p.m. Discovery rockets into orbit , as seen by ground tracker and a video camera mounted on the external tank . It could be used by company executives to find out which of their employees are involved in the union organizing campaign - - and to quietly get rid of them . A factory producing war material lay outside the town and was untouched . We are reaching a point where the only people enjoying pensions are big-shot corporate executives , politicians and civil servants backed up by the rare union left with any clout . The Lockheed Martin Atlas 5 rocket and its launch team successfully accomplished the countdown dress rehearsal Monday , hitting the simulated target liftoff time . It could be three years , it could be ten or it could be fifteen years - - or just when your grandchildren will be going to college or hitting the job market . The Discovery astronauts took the day off Thursday , relaxing and enjoying the view from space after a hectic week in orbit highlighted by three spacewalks and work to transfer supplies and equipment to the international space station .