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Northrop Grumman Completes Acoustic Testing On STSS Demo Satellites

Two Space Tracking and Surveillance System (STSS) demonstration satellites being built by Northrop Grumman [NOC] for the Missile Defense Agency have successfully completed acoustic testing, the company said yesterday. The satellites were tested in their launch configuration, simulating the planned tandem launch on a Delta II launch vehicle. They were subjected to the maximum sound and vibration levels expected during their launch into orbit. The testing was performed at Northrop Grumman's acoustic test facility in Redondo Beach, Calif. The demonstration…

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