
Northrop Grumman [NOC] said on Jan. 16 that it has conducted a live, static-fire test of a stage-two solid rocket motor (SRM) for the LGM-35A Sentinel intercontinental ballistic missile at the U.S. Air Force Arnold Engineering Development Complex in Tullahoma, Tenn. "The test was conducted in a vacuum chamber simulating real-world environmental conditions the solid-rocket motor would experience during high-altitude and space flight," Northrop Grumman said. "Test data will be analyzed to determine how motor performance matched digitally engineered model…