Watch Archimedes burn! Rocket Lab fires up engine for its powerful next-gen Neutron launcher (video)

Rocket Lab has completed a major qualification test for its formidable Archimedes engine, which will power the company's next-gen Neutron launch vehicle. As Rocket Lab continues with regular launches of its workhorse small-lift Electron rocket, development of Neutron has carried on in the background, progressing toward a possible debut later this year. The company recently completed a full-duration burn of a second-stage Archimedes, paving the way for integration with Neutron in the coming month