Posts Tagged ‘SSME’

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Stennis completes first SLS RS-25 test series, prepares next engine


A former Space Shuttle Main Engine (SSME), that never gained the honor of pushing a Space Shuttle into orbit, has completed an important role that is part of…

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RS-25 conducts sixth SLS Static Fire test


NASA has conduct another static fire test firing of RS-25 engine number 0525 on Thursday at the Stennis Space Center in Mississippi, continuing development and adaptation of the…

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Stennis fires up RS-25 engine as Shuttle veterans prepare for SLS role


With three years to go until the debut launch of the Space Launch System (SLS), RS-25 engine E0525 conducted its third SLS-related firing this week, part of a…

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Stennis fires up RS-25 engine for full duration test


The second test firing of RS-25 engine 0525 has taken place at the A-1 Test Stand at the Stennis Space Center. The developmental engine – that never got…

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Stennis conducts SLS engine firing marking RS-25 return


NASA’s Stennis Space Center has test fired the first RS-25 (unit E0525) of the Space Launch System (SLS) era on Friday, marking the beginning of a new career…

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NASA ready to power up the RS-25 engines for SLS


NASA is finally ready to begin the test fire and development program for the engines that will push the Space Launch System (SLS) uphill in 2018 and beyond….

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SLS engine testing delayed due to test stand contamination


The return of RS-25 engine testing at the Stennis Space Center has been delayed, following the discovery of a contamination issue involving cloth fibers inside the A-1 test…

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RS-25 engine installed for Stennis testing amid SLS schedule debate


The Stennis Space Center is just weeks away from returning to RS-25 engine testing, following the installation of Engine 0525 on the A-1 Test Stand. The milestone comes as…

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Pegasus Barge to begin renovations for SLS core shipping


NASA’s famous Pegasus Barge – best known for transporting External Tanks from the Michoud Assembly Facility (MAF) to the Kennedy Space Center (KSC) – is about to be…

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Four Shuttle veterans selected to drive SLS uphill on maiden flight


The four RS-25 engines selected for the debut launch of the Space Launch System (SLS) are veteran Space Shuttle Main Engines (SSME) with a rich history of successful…

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RS-25 Second Life: SLS Core Stage engine set for summer testing


The RS-25 – the engine that enjoyed a hugely successful career with the Space Shuttle fleet – is set to begin its new life with the Space Launch…

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SMAT fires up to open SLS acoustic testing


The Scale Model Acoustic Test (SMAT) – a mini-me version of the SLS – has fired up for the first time at the Marshall Space Flight Center (MSFC)….

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Stennis preparing to throttle up SLS engine testing


NASA’s Stennis Space Center is deep into preparations for numerous engine testing for the Space Launch System (SLS), ranging from the old, the new and the miniature. Continued…

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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…

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SLS prepares for PDR – Evolution eyes Dual-Use Upper Stage


NASA’s Space Launch System (SLS) is deep into preparations for the key milestone of the Preliminary Design Review (PDR), which “kicks off” in June. Meanwhile, an interesting glimpse…

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SLS SMAT: The Mini-Me version of the monster rocket


The Marshall Space Flight Center (MSFC) is constructing a scaled version of the Space Launch System (SLS), ahead of test firing it later this year. Known as the…

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SLS Program pressing forward with engine heat shield design change


The Space Launch System (SLS) heat shields around its RS-25 engines will not follow the heritage of the Space Shuttle Program (SSP), following a decision to move away…

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Atlantis readied for her trip to the VAB – OPF-1 for transition


Atlantis is closing in on the end of her Transition and Retirement (T&R) processing, following the installation of her three Replica Shuttle Main Engines (RSMEs). Atlantis is scheduled…

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SSME family prepare for SLS core stage role following Shuttle success


NASA’s 15 Space Shuttle Main Engines (SSMEs) are being transported to the Stennis Space Center (SSC), as they transition towards their future role with the Space Launch System…

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Discovery receives her replica main engines ahead of final journey


The flagship of the shuttle orbiter fleet has received her three replica main engines, as Discovery prepares for next year’s ferry trip to her final resting place. The…