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The recent test propels the stage-one solid fuel rocket motor towards full qualification. Credit: R. Nial Bradshaw/U.S. Air Force. Northrop Grumman and the US Air Force have conducted a full-scale ...

The U.S. Air Force and Northrop Grumman Corporation completed a full-scale qualification static fire test of the Sentinel intercontinental ballistic missile stage-one solid rocket motor on March 6.

The sprayed rocket propellant landed on a very hot rocket engine, creating flammable vapors. The fire was not seen earlier as the oxygen to cause the reaction is non-existent high up in the ...

An auxiliary propulsion unit (APU)—essentially a miniature second engine—on the upper stage ... there was an anomaly with one of the two solid rocket boosters powering the vehicle.

The U.S. Air Force and Northrop Grumman have conducted a demonstration of the Sentinel intercontinental ballistic missile, or ICBM, stage-one solid rocket motor on Thursday at the company’s ...

The explosion doomed an attempt to deploy mock satellites in the second consecutive failure this year for Elon Musk's Mars rocket program. Videos on social media showed fiery debris streaking ...

More recently, the company started developing two other products in parallel: a Hall-effect electric thruster for spacecraft and a second-stage hybrid rocket engine. “Pulsar has built a ...

I’ve got like six Vulcans. I’ve got over a dozen Atlases. I have solid rocket motors, in the dozens.” During Vulcan’s second flight, one of the rocket’s solid rocket boosters lost a ...

You know, we have flown a couple times. The second time we flew, we lost a nozzle off of one of the SRM’s (solid rocket motor). SRM’s, by the way, are a clever thing you do in rocket design ...

Houston-based Venus Aerospace, meanwhile, is developing a rocket-based combined-cycle propulsion system that combines a rotating detonation rocket engine with a ramjet.