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[NASA] NASA Stennis Test Team Supports Space Dreams with Proven Expertise

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Contrary to the popular saying, work conducted by the propulsion test team at NASA’s Stennis Space Center is rocket science – and requires all the talent, knowledge, and expertise the term implies. 

Rocket science at NASA Stennis, located near Bay St. Louis, Mississippi, has helped safely power ********* space dreams for almost 60 years ago. The accumulated knowledge and skills of the site’s test team continue to benefit NASA and commercial aerospace companies, thanks to new generations of skilled engineers and operators. 

“The innovative, can-do attitude started with the founding of the south Mississippi site more than six decades ago,” said NASA Stennis Director John Bailey. “The knowledge, skills, and insight of a versatile team continue supporting NASA’s mission and goals of commercial aerospace companies by routinely conducting successful propulsion testing at NASA Stennis.” 

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E-1 Test Stand at NASA’s Stennis Space Center on March 23, 2016. Activation of the test cell was in preparation for testing L3Harris’ (then known as Aerojet Rocketdyne) AR1 rocket engine pre-burner and main injector. The versatile four-stand E Test Complex includes 12 active test cell positions capable of various component, engine, and stage test activities for NASA and commercial projects.
NASA/Stennis
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19, 2018, to demonstrate the facility’s readiness to support testing of the core stage of NASA’s powerful SLS (Space Launch System) rocket. The High Pressure Gas Facility was critical in producing and delivering gases needed for SLS core stage testing ahead of the successful launch of Artemis I.
NASA/Stennis
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B-2). NASA Stennis conducted SLS core stage testing in 2020-21 ahead of the successful Artemis I mission.
NASA/Stennis
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B-2) during testing.
NASA/Stennis

The NASA Stennis team exhibits a depth and breadth of experience and expertise likely unsurpassed anywhere in the world. 

The depth is built on decades of propulsion test experience. Veteran team members of today learned from those working during the

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, who overcame various engineering, technical, communications, and mechanical difficulties in testing the Saturn V rocket stages that powered humans to the Moon. During 43 stage firings, the team accumulated an estimated 2,475 years of rocket engine test expertise.  

Members of the Apollo test team then joined with new engineers and operators to test main engines that powered 30 years of space shuttle missions. From

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, the team supported main engine development, certification, acceptance, and anomaly testing with over 2,300 hot fires and more than 820,000 seconds of accumulated hot-***** time.  

“NASA Stennis is unique because of the proven test operations expertise passed from generation to generation,” said Joe Schuyler, director of the NASA Stennis Engineering and Test Directorate. “It is expertise you can trust to deliver what is needed.”

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A member of the Fred Haise Test Stand (formerly the A-1 Test Stand) operations team examines the progress of a cold-shock test on May 1, 2014. The test marked a milestone in preparing the stand to test RS-25 rocket engines that will help power NASA’s SLS (Space Launch System) rocket.
NASA/Stennis

In addition to depth, the site team also has a breadth of experience that gives it unparalleled versatility and adaptability. 

Part of that comes from the nature of the center itself. NASA Stennis is the second largest NASA center in terms of geography, but the civil ******** workforce is small. As a result, test team members work on a range of propulsion projects, from testing components on smaller E Test Complex cells to ******* large engines and even rocket stages on the heritage Apollo-era stands. 

“Our management have put us in a position to be successful,” said NASA engineer Josh Greiner. “They have helped move us onto the test stands and given us a huge share of the responsibility of leading projects early in our career, which provides us the confidence and opportunity to conduct tests.” 

In addition, center leaders made a deliberate decision more than a decade ago to return test stand operations to the NASA team. Prior to that time, stand operations were in the hands of contractors under NASA supervision. The shift allowed the civil ******** test team to fine-tune its skill set even as it continued to work closely with contractor partners to support both government and commercial aerospace propulsion projects. 

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RS-25 engine test series at NASA’s Stennis Space Center by monitoring the reload of propellant tanks to the Fred Haise Test Stand (formerly the A-1 Test Stand). RS-25 engines are powered by a mix of liquid hydrogen and liquid oxygen.
NASA/Stennis
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NASA/Stennis
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E-3 Test Complex. The versatile four-stand E Test Complex includes 12 active test cell positions capable of various component, engine, and stage test activities for NASA and commercial programs and projects.
NASA/Stennis
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B-2 side of the Thad Cochran Test Stand. NASA’s new upper stage is being built as a more powerful SLS second stage to send the Orion spacecraft and heavier payloads to deep space. It will fly on the Artemis missions following a series of Green Run tests of its integrated systems at NASA Stennis. The test series will culminate with a hot ***** of the four RL10 engines that will power the upper stage.
NASA/Stennis
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B-2 side of the Thad Cochran Test Stand at NASA Stennis.
NASA/Stennis

The evolution and performance of the NASA Stennis team was illustrated in stark fashion in

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when a blended team of NASA, Defense Advanced Research Projects Agency, Aerojet Rocketdyne, Boeing, and Syncom Space Services engineers and operators test fired an AR-22 rocket engine 10 times in a 240-hour *******. 

The campaign marked the first time a large liquid oxygen/liquid hydrogen engine had been tested so often in such a short ******* of time. The test team overcame a variety of challenges, including a pair of lightning strikes that threatened to derail the entire effort. Following completion of the historic series, a NASA engineer who helped lead the campaign recounted one industry observer who repeatedly characterized the site’s test team as nothing less than a national asset. 

The experienced site workforce now tests RS-25 engines and propulsion systems for NASA’s Artemis campaign, including those that will help power Artemis missions to the Moon for scientific discovery and economic benefits. The NASA Stennis team also supports a range of commercial aerospace propulsion test activities, facilitating continued growth in capabilities. For instance, the team now has experience working with oxygen, hydrogen, methane, and kerosene propellants.  

“The NASA and contractor workforce at NASA Stennis is second to none when it comes to propulsion testing,” Schuyler said. “Many of the current employees have been involved in rocket engine testing for over 30 years, and newer workers are being trained under these seasoned professionals.”

For information about NASA’s Stennis Space Center, visit: 

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Last Updated
Nov 13, 2024
Editor
NASA Stennis Communications
Contact
C. Lacy Thompson
*****@*****.tld / (228) 688-3333
Location
Stennis Space Center

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