Lockheed Martin Logs Enviro OK on GPS III Sat

摘要

The Lockheed Martin team developing the U.S. Air Force's GPS III satellites has completed thermal vacuum testing for the Navigation Payload Element (NPE) of the GPS III Non-Flight Satellite Testbed (GNST).The milestone is one of several environmental tests verifying the navigation payload's quality of workmanship and increased performance compared to the current generation of satellites.