Lockheed Martin says that the Defense Satellite Communications System III constellation has “surpassed 175 years of on-orbit service.” The DSCS constellation comprises nine satellites in geostationary orbit that provide worldwide military secure voice and high-data-rate communications. The company has built 14 DSCS spacecraft, the last of which launched in August 2003.
The Sentinel Launch Support System, the digital backbone for testing the new intercontinental ballistic missile over its expected 50-year life, has completed critical design review, Northrop Grumman said Oct. 20.
