Spaceflight Insider

News Archive / Tagged: RS-25

  • Gallery: RS-25 test fired at Stennis

    Jason RhianSeptember 25th, 2018

    STENNIS SPACE CENTER, Miss — Aerojet Rocketdyne tested one of its legacy Space Shuttle Main Engine in preparation for use on NASA’s Space Launch System on Tuesday, Sept. 25, 2018. The A1 Test Stand weathered an eight minute test fire at 109 percent throttle starting at 3: 15 p.m. EDT (19:15 GMT). Photos courtesy: Matt […]

  • Aerojet Rocketdyne test fires legacy RS-25 engine at NASA’s Stennis Space Center

    Jason RhianSeptember 25th, 2018

    A former Space Shuttle Main Engine was tested today to test a key component of NASA's Space Launch System.

  • Lucky 113: NASA tests RS-25 engine at highest-ever power level

    Curt GodwinFebruary 23rd, 2018

    Engineers at NASA's Stennis Space Center conducted a test of the Space Launch System's (SLS) RS-25 engine, pushing the design to the highest level ever recorded for the powerhouse previously used to send Space Shuttles into orbit. The Aerojet Rocketdyne-manufactured engine reached a peak output of 113 percent of rated power during the Feb. 21, 2018, firing at the coastal Mississippi site.

  • RS-25 completes successful second test fire of 2018

    Collin SkocikFebruary 1st, 2018

    On Feb. 1, 2018, a team of engineers at NASA, Aerojet Rocketdyne and Syncom Space Services engineers and operators test-fired the RS-25 engine conducted a test firing at the Stennis Space Center near Bay St. Louis, Mississippi.

  • Aerojet Rocketdyne starts off a busy 2018 with hot fire of RS-25 engine

    Lloyd CampbellJanuary 17th, 2018

    NASA and Aerojet Rocketdyne conducted another successful test firing of the Space Launch System’s core stage main engine, the RS-25, on Jan 16 2018.

  • Final RS-25 hot-fire test of 2017 completed

    Michael McCabeDecember 13th, 2017

    NASA and Aerojet Rocketdyne have conducted the final RS-25 hot-fire test of 2017 at their Stennis Space Center in Mississippi. The six-minute, 40-second test was conducted at Stennis' A-1 Test Stand. The test also continued the development of components that utilized additive manufacturing (a.k.a. "3-D printing").

  • NASA conducts 5th test of RS-25 engine flight controller unit

    Heather SmithSeptember 1st, 2017

    The final test of the RS-25 engine for the new Space Launch System (SLS) took place on August 30, 2017, at Stennis Space Center near Bay St. Louis, Mississippi. The 500-second hot-fire test is the fifth of the RS-25 engine flight controller unit on the A-1 test stand.

  • RS-25 engine flight controller completes 500-second test

    Scott JohnsonAugust 10th, 2017

    On Wednesday, August 9, NASA and Aerojet Rocketdyne conducted a 500-second test of an RS-25 developmental engine at the agency's Stennis Space Center in Mississippi. The test was used to validate the fourth upgraded engine controller required for the first flight of the Space Launch System.

  • Aerojet Rocketdyne tests third SLS engine controller

    Bart LeahyJuly 27th, 2017

    Propulsion hardware testing for NASA’s SLS rocket continues at Stennis Space Center in Mississippi. Aerojet Rocketdyne just completed its third 500-second test of the controller unit for the RS-25 main engine on July 25.

  • NASA conducts 13th test of Space Launch System RS-25 engine

    Lloyd CampbellMarch 25th, 2017

    The powerful RS-25 engine that will be used on NASA's new super-heavy-lift Space Launch System (SLS) underwent its 13th test March 23, 2017, at NASA’s Stennis Space Center in Bay St. Louis, Mississippi.

  • RS-25 engine test firing seen from drone

    Derek RichardsonFebruary 24th, 2017

    Engineers at NASA's Stennis Space Center near Bay St. Louis, Mississippi, conducted a test of the RS-25 engine on the A-1 Test Stand. A NASA drone revealed never-before-seen imagery of the more than six-minute-long firing.

  • Space Launch System (SLS) engine testing update

    Scott JohnsonAugust 22nd, 2016

    BAY ST. LOUIS, Miss. — This past week, on August 18, SpaceFlight Insider was on hand at NASA's Stennis Space Center (SSC), in south Mississippi, for the latest RS-25 engine test in preparation for its use in the agency's new super heavy-lift vehicle – the Space Launch System (SLS).

  • NASA discusses SLS and Orion progress at ‘Day of Mars’ event

    Curt GodwinAugust 22nd, 2016

    NEW ORLEANS — Before wowing onlookers with the sights and sounds related to testing an RS-25 engine, NASA sought to educate members of traditional and social media outlets about agency and industry efforts related to the Journey to Mars.

  • RS-25 engine tested for NASA’s Space Launch System

    Derek RichardsonJuly 31st, 2016

    After an early shutdown some two weeks ago, NASA and Aerojet Rocketdyne successfully hot-fired a development RS-25 engine. The full-duration test involved engine 0528 and lasted 650 seconds.

  • Aerojet Rocketdyne tests first flight-ready RS-25

    Joe LatrellMarch 12th, 2016

    Work on NASA's Space Launch System (SLS) reached another milestone on March 10, 2016, when Aerojet Rocketdyne test fired the RS-25 engine at the Stennis Space Center in Mississippi.