
"Delta IV Heavy: A Historic Finale and Retirement Recap"
United Launch Alliance's Delta IV Heavy rocket completes its final mission, Rocket Lab plans to reuse a previously flown Electron rocket first stage tank, Virgin Orbit's IP library is available for licensing at $3 million, Virgin Galactic countersues Boeing over a project to develop a new mothership aircraft, and Ursa Major signs a contract with the US Navy to develop and test solid fuel rocket engines.












