Ursa Major successfully hot-fires latest Hadley H13 engine variant: The new rocket engine featuring 80% 3D printed components increases reusability and performance for hypersonic and launch applications. https://www.tctmagazine.com/ursa-major-successfully-hot-fires-latest-variant-of-am-enabled-hadley-engine/ #3Dprint #3Dprinting #Space #UrsaMajor