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Space Launch System Advanced Booster Proposals Selected By NASA

July 15, 2012
Image Caption: Artist concept shows NASA's Space Launch System rising from a launchpad. Credit: NASA/MSFC

redOrbit Staff & Wire Reports – Your Universe Online

NASA reports that it has selected six proposals to improve the cost, dependability and performance of an advanced booster for the Space Launch System (SLS), a heavy-lift rocket that will provide an entirely new capability for human exploration beyond low Earth orbit.

For the next phase, engineering demonstrations and risk reduction concepts for SLS will be developed by the awardees. Individual awards will vary with a total NASA investment of as much as $200 million.

“The initial SLS heavy-lift rocket begins with the proven hardware, technology and capabilities we have today and will evolve over time to a more capable launch vehicle through competitive opportunities,” said William Gerstenmaier, associate administrator for the Human Exploration Operations Mission Directorate at NASA Headquarters in Washington.

“While the SLS team is making swift progress on the initial configuration and building a solid baseline, we also are looking ahead to enhance and upgrade future configurations of the heavy lift vehicle. We want to build a system that will be upgradable and used for decades,” Gerstenmaier added.

Designed to be easily used for launching spacecraft, including NASA’s Orion multipurpose vehicle, for crew and cargo missions SLS will enable NASA to meet the president’s goal of sending humans to an asteroid by 2025 and to Mars in the 2030s. The initial SLS design will use two five-segment solid rocket boosters close to the solid rocket boosters that helped power the space shuttle to orbit. The evolved SLS vehicle will require an advanced booster with significant increase in thrust from any existing U.S. liquid or solid boosters.

According to NASA, proposals selected for contract negotiations are:

– “Subscale Composite Tank Set,” Northrop Grumman Systems Corporation Aerospace Systems

– “Full-Scale Combustion Stability Demonstration,” Aerojet General Corp.

– “F-1 Engine Risk Reduction Task,” Dynetics Inc.

– “Main Propulsion System Risk Reduction Task,” Dynetics Inc.

– “Structures Risk Reduction Task,” Dynetics Inc.

– “Integrated Booster Static Test,” ATK Launch Systems Inc.

“We are building a new national capability to carry astronauts and science experiments beyond Earth orbit to new destinations in space,” said Todd May, SLS program manager at NASA’s Marshall Space Flight Center in Huntsville, Ala. “Our industry partners have presented a variety of options for reducing risk while increasing performance and affordability, and we’re looking forward to seeing their innovative ideas come to life.”

The proposal selections are the first step in the NASA Research Announcement procurement process. The second step, the formal contract award, will follow after further talks between NASA and the selected organizations. All funded efforts will demonstrate and examine advanced booster concepts and hardware demonstrations during a 30-month period. This risk mitigation acquirement precedes the follow-on design, development, testing and evaluation competition for the SLS advanced booster currently planned for 2015.

All proposals will be valid for 12 months to allow for a later award should the opportunity become available, unless withdrawn by the offer prior to award. Successful offers to this NRA are not guaranteed an award for any future advanced booster acquisition.

The first test flight of NASA’s Space Launch System, which will feature a configuration for a 77-ton (70-metric-ton) lift capacity, is scheduled for 2017. As SLS evolves, a two-stage launch vehicle configuration will provide a lift capability of 143 tons (130 metric tons).


Source: redOrbit Staff & Wire Reports - Your Universe Online



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