For this early prototype, power is solely from hobby rocket motors, providing thrust for 1.6 seconds, meaning flight times are necessarily short. The craft is launched from an aluminium profile ...

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 defense contractor makes rocket motors through its Aerojet Rocketdyne unit - which it bought in a deal that closed in 2023. The unit is a key producer of weapon components as the U.S. seeks to ...