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ATK and NASA Sign Space Act Agreement for Liberty Launch System | Preston Citizen

ATK and NASA Sign Space Act Agreement for Liberty Launch System

September 13, 2011
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Agreement Includes International Partnership Kennedy Space Center, Florida

Sept. 13, 2011 – ATK and NASA announced a partnership today to work together during the development of ATK’s commercial LibertyTM Launch System, an agreement that also supports the 2010 National Space Policy by furthering international partnerships.

The team signed an unfunded Space Act Agreement (SAA) that enables NASA and the Liberty program office to provide technical interaction for the launch system during the Preliminary Design Review phase of the program.

“This SAA enables us to exchange information with NASA and receive valuable insight as we develop our fixed-price commercial crew vehicle and prepare it for test flight as early as 2014,” said Kent Rominger, ATK vice president and program manager for Liberty. “This helps us to ensure that we provide the safest, most reliable, cost-effective and capable launch vehicle for crew transport.”

The launch vehicle combines two of the world’s most reliable propulsion systems. ATK is the prime, providing the human-rated five-segment solid rocket motor as the first stage, and Astrium (an EADS Company), is providing the core stage from the Ariane 5 rocket, including the Vulcain 2 engine as Liberty’s upper stage. Liberty has the capability to lift 44,000 pounds to low-Earth-orbit, the highest pounds to orbit of any other vehicle currently working under commercial agreements. The Liberty Launch System program has been underway for more than a year following the approval of international technical exchange agreements. Since that time, the team has successfully conducted a System Requirements Review and a System Development Review and continues to work towards a Preliminary Design Review—all efforts that have been supported exclusively by internal funding. The SAA continues through at least March 2012, and the Liberty team will work with NASA’s Commercial Crew Office out of Kennedy Space Center. A total of four milestones will be met under the SAA.

“With this SAA we believe NASA will benefit from gaining insight into the various systems we are developing, and we can benefit from the feedback,” said Rominger. “In the end we hope to offer a commercial solution to NASA, the Department of Defense and other commercial human spaceflight programs.” ATK plans to implement a launch system to serve various commercial markets, including crew, cargo, and government satellite markets.

Both of the Liberty propulsion systems were designed for human rating. The five-segment motor is derived from the Space Shuttle Reusable Solid Rocket Motors and the core stage for the Ariane 5 was originally slated to lift the Hermes Space Plane. The fact that its upper stage was designed to lift a winged vehicle gives Liberty additional capability. The current goal is to have a test launch in 2014, with a crewed flight on the vehicle’s third flight in 2015. “Now that we are working closely with NASA, we will also look for other funding sources to further speed the development of Liberty,” said Rominger.


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