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ATK, NASA Reach Space Shuttle Return-To-Flight Milestone
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. Community Email This Article Comment On This Article Related Links ATK SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express Space Shuttle News at Space-Travel.Com
Heads Up, Space Station, Discovery Is Ready To Blast Off
Cape Canaveral (AFP) Jul 12, 2005A plastic and foam cover fell off a window of Discovery, but damage to the space shuttle was rapidly fixed and will not cause any delays, NASA said Tuesday on the eve of the planned launch. |
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