Tag: A-1
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The engines that refused to retire – RS-25s prepare for SLS testing
Following a 30 year career with the Space Shuttle Program, Pratt & Whitney Rocketdyne’s RS-25 engines are now preparing for their next role, with the Space Launch System (SLS). Tests involving the former Space Shuttle Main Engines (SSMEs) will begin at the Stennis Space Center in 2014. RS-25: The SSME has provided safe flight for…