GE tested atmospheric test of launched airbreathing system (ATLAS) Flight Test Vehicle which marking a major milestone in advancing solid fuel ramjet (SFRJ) propulsion technology. Solid fuel ramjets ...

North Korea said it launched, opens new tab an intercontinental ballistic missile on Thursday, in what South Korean officials said could be related to its development of new solid-fuel rocket engines.

SEOUL, South Korea — North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an arsenal ...