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Northrop Grumman Conducts Successful Test Fire of Sentinel Stage-One Rocket Motor

Northrop Grumman Conducts Successful Test Fire of Sentinel Stage-One Rocket Motor


Northrop Grumman Corporation (NYSE: NOC) has achieved a significant milestone in the US Air Force’s program to modernize the land-based leg of the strategic triad. The company has conducted a successful full-scale static test fire of the Sentinel stage-one solid rocket motor at its test facility in Promontory, Utah. The Sentinel intercontinental ballistic missile weapon […]

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Posted On March 10, 2023
Northrop Grumman Conducts Successful Test Fire of Sentinel Stage-One Rocket Motor

Northrop Grumman Corporation (NYSE: NOC) has achieved a significant milestone in the US Air Force’s program to modernize the land-based leg of the strategic triad. The company has conducted a successful full-scale static test fire of the Sentinel stage-one solid rocket motor at its test facility in Promontory, Utah.

The Sentinel intercontinental ballistic missile weapon system is designed to replace the Minuteman III system, which has been in service for over 50 years. The new system features a three-stage booster, with Northrop Grumman producing stages one and two. The company’s booster is a new design that uses the latest materials and design technologies to improve performance, reliability, safety, and sustainability.

The successful test fire of the Sentinel stage-one solid rocket motor is a crucial milestone in the development of the missile system. The test was designed to validate and anchor the stage-one motor performance, and gain confidence to move to the next stage of testing.

The motor fired for the anticipated duration and met performance parameters and objectives within expected ranges, giving the Sentinel team confidence in their design approach. The successful test also allows the team to validate and anchor the stage-one motor performance before entering qualification testing and completing system analyses. These are crucial steps in lowering risk as the team matures the Sentinel design and advances towards critical design review.

Sarah Willoughby, Vice President of Sentinel at Northrop Grumman, expressed her satisfaction with the outcome of the test, highlighting the advances the team has made in digital engineering. She said, “This static fire highlights the advances we’ve made in digital engineering and gives us confidence in our ability to translate that into hardware build and test as we continue to make progress on the path to flight testing.”

Northrop Grumman also leveraged advanced testing equipment that allowed for increased data collection to better understand motor characteristics. The company’s investments in digital design, test, and advanced manufacturing help to ensure that the next-generation missile is developed affordably and with innovation at its core. The company’s aim is to deliver to the Air Force a safe, secure, reliable, and flexible capability.

The successful test fire of the Sentinel stage-one solid rocket motor is a major step forward for the US Air Force’s program to modernize the land-based leg of the strategic triad. The new missile system is expected to improve the US military’s deterrence posture, ensuring that the country can respond to any potential threat in a timely and effective manner.

Northrop Grumman’s success in this test will provide a boost to the company’s reputation as a leading defense contractor. The company has a long history of providing innovative and reliable solutions to the US military, and the successful test fire of the Sentinel stage-one solid rocket motor is a testament to its expertise and commitment to excellence.

The next stage of testing for the Sentinel missile system will involve qualification testing and completing system analyses. These steps are crucial in ensuring that the missile system meets the requirements of the US Air Force and can be deployed effectively in the field.

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