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Minneapolis MN (SPX) Jan 31, 2005 Alliant Techsystems and NASA have completed the stacking of the twin reusable solid rocket motors (RSRM) that will help launch the orbiter Discovery on its return-to-flight mission, currently scheduled for mid-May, 2005. This is a major milestone in the Space Shuttle's return-to-flight calendar. The RSRM stacking operation began in late November, 2004 at the Kennedy Space Center, Fla. The next step in the process is to join the external tank to the complete booster stack. The orbiter Discovery will then be mated to the external tank/solid rocket booster assembly and the integrated launch vehicle will "roll out" to Pad 39B in preparation for the expected mid-May 2005 launch. ATK's reusable solid rocket motor is the largest, most-powerful solid rocket motor ever flown. Each booster is 149 ft-long and 12-ft in diameter, producing over three million pounds of thrust at liftoff. The boosters work with the space shuttle main engines for the first two minutes of the shuttle flight, providing over 70 percent of the thrust needed for the shuttle to escape the gravitational pull of the Earth. At an altitude of approximately 30 miles and traveling at a speed of over 3,000 miles per hour, the spent boosters separate from the launch vehicle and parachute to the Atlantic Ocean. Once recovered, they are sent back to the ATK facilities in Utah and refurbished for use on future shuttle flights. Related Links ATK SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express
NASA Asks Lehigh Students To Analyze Debris From Failed Columbia Shuttle
Bethlehem PA (SPX) Jan 31, 2005Every year, seniors in Lehigh University's Failure Analysis course peer through microscopes to learn the variety of ways in which different materials deform and crack. They apply their new skills to specimens from machines, factories and buildings that have been damaged in real-life situations.
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