Northrop Grumman [NOC] said on Feb. 16 that it executed wind tunnel tests of its LGM-35A Sentinel ICBM for the U.S. Air Force. "Using scaled models of the vehicle, stressed under environments from sub to hypersonic speeds, the robust test campaign validated digital modeling and simulations and proved design maturity of the missile," the company said. The wind tunnel testing forecast Sentinel's performance under varied atmospheres, loads, and speeds and simulated firing the missile, stage separation, and flight maneuvers as…
