United Launch Alliance successfully completed the preliminary design...
United Launch Alliance successfully completed the preliminary design review and development testing for the Dual Engine Centaur portion of a launch vehicle, ULA said. The testing and review were done in support of NASA’s commercial crew program, ULA said in…
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a news release (http://bit.ly/ZMlRvI). The Dual Engine Centaur rocket stage provides a performance improvement over Single Engine Centaur “that is extremely beneficial for low earth orbit missions,” it said. The DEC’s increased thrust allows the trajectory “to be ‘flattened’ to provide a safer re-entry environment for the crew in the unlikely event of a crew abort situation,” ULA said.