Tag: Aerojet Rocketdyne
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Live coverage: NASA completes eight-minute Space Launch System hot fire test
Live coverage of the Green Run Hot Fire test of NASA’s Space Launch System core stage at the Stennis Space Center in Mississippi. Text updates will appear automatically below. Follow us on Twitter. Editor’s Note: NASA TV’s live video coverage of the SLS hot fire test begins around 30 minutes before engine ignition. The two-hour test window…
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NASA’s moon rocket scores an ‘A+‘ on critical engine test
Four RS-25 engines fire at the base of the Space Launch System core stage during Thursday’s test-firing at the Stennis Space Center in Mississippi. Credit: NASA TV/Spaceflight Now The core of NASA’s first huge Space Launch System heavy-lift rocket designed to carry astronauts back to the moon aced a crucial test-firing Thursday in Mississippi, clearing…
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NASA’s moon rocket set for second test-firing Thursday
The orange core stage of NASA’s first Space Launch System rocket stands in the B-2 test stand at the Stennis Space Center in Mississippi. Credit: NASA/Stennis Two months after a first test-firing ended prematurely, NASA plans to ignite the core stage of the first Space Launch System heavy-lift rocket again Thursday for an eight-minute burn…
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Delta 4-Heavy rocket erected on Vandenberg launch pad
A Delta 4-Heavy rocket stands inside the mobile shelter on Space Launch Complex-6 at Vandenberg Air Force Base ahead of liftoff later this spring. Credit: United Launch Alliance United Launch Alliance recently raised a Delta 4-Heavy rocket, one of four left in the company’s backlog, vertical on its launch pad at Vandenberg Air Force Base…
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NASA, Boeing looking to begin SLS Exploration Upper Stage manufacturing in 2021
Manufacturing and assembly development work for the Space Launch System (SLS) Exploration Upper Stage (EUS) is starting to ramp up at the Michoud Assembly Facility (MAF) in New Orleans. NASA’s SLS Program and EUS prime contractor Boeing are preparing to begin construction of the test and flight articles that will be needed to certify and…
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Stuck propulsion valve delays second SLS test-firing
One of the SLS core stage’s four RS-25 engines during a wet dress rehearsal in December. Credit: NASA A troublesome liquid oxygen valve on the Space Launch System’s first flight-rated core stage will keep NASA from performing a second test-firing of the rocket’s four main engines this week. NASA hoped to conduct the second hotfire…
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How the pandemic is changing the protocol for NASA’s Mars landing — and how to watch it happen
First Mode senior systems engineer Mallory Lefland is part of the team that will be monitoring the entry, descent and landing of NASA’s Perseverance rover from the Jet Propulsion Laboratory in Pasadena, Calif. (NASA Photo / Bobak Ferdowsi) Veteran spacecraft engineer Chris Voorhees has witnessed six Mars landings in the course of his career, and…
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NASA completes Exploration Upper Stage CDR, focuses new office on SLS Block 1B development
NASA’s Space Launch System (SLS) Program and prime contractor Boeing have a new framework in place to finish development of the next version of the new launch vehicle, called Block 1B. The biggest addition to the Block 1B SLS vehicle will be the Exploration Upper Stage (EUS), which completed its Critical Design Review (CDR) on…
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Hydraulic system issue triggered early engine shutdown during SLS test-firing
An exhaust plume erupts from the B-2 test stand during a test-firing of the Space Launch System core stage Jan. 16. Credit: NASA/Robert Markowitz NASA officials said Tuesday the weekend test-firing of the Space Launch System moon rocket’s core stage was cut short by an out-of-limits parameter in a hydraulic system for gimbaling, or vectoring,…
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NASA studying cause of early end to moon rocket test-firing
The Space Launch System’s four RS-25 engines fire during an abbreviated Green Run test Saturday. Credit: NASA A critical test-firing of NASA’s Space Launch System moon rocket in Mississippi ended just 67 seconds after it began Saturday, well short of a planned eight-minute burn that was supposed to clear the way for the space agency…