
A rocket engine system for the post-boost upper stage flight phase for the Minuteman III intercontinental ballistic missile (ICBM) has been successfully tested, contractor Northrop Grumman [NOC] says. A Minuteman ICBM during launch. Photo by U.S. Air Force The product quality assurance test took place at NASA’s White Sands Testing Facility in New Mexico under a program jointly managed by Northrop Grumman and the Air Force, along with partners Boeing [BA] and Aerojet. The Propulsion System Rocket Engine (PSRE) is the liquid…