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October 11th, 2011
Lockheed Martin Powers On the GPS III Pathfinder

With a focus on affordability, the GPS III team is first developing the GNST, a full-sized prototype of the GPS III spacecraft used to identify and solve issues prior to the first space vehicle. This approach significantly reduces risk, improves production predictability, increases mission assurance and lowers overall program costs. The GNST, populated with fully functional non-flight boxes, provides space vehicle design level validation; early verification of ground, support, and test equipment; and early confirmation and rehearsal of transportation operations.

“Turning initial power on for the GNST is a major milestone for the GPS III team demonstrating we are well on track to deliver the first satellite for launch in 2014,” said LtCol Don Frew, the U.S. Air Force’s GPS III program manager. “Our joint government and industry team is committed to delivering GPS III on schedule to sustain and modernize the GPS constellation for users worldwide.”

The GPS III team has installed power subsystem components, harnesses, and tracking, telemetry and control hardware on the GNST structure to support phased checkout of the integrated design. Flight software versions have also been delivered for all of the spacecraft and payload computer processors. In parallel, GPS III teammate ITT is integrating the GNST Navigation Payload at their facility in Clifton, NJ.

Successfully powering on the GNST demonstrates initial mechanical integration, validates the GNST’s interfaces and leads the way for electrical and integrated hardware-software testing. The GNST will be shipped to Lockheed Martin’s GPS III Processing Facility in Denver late this year to demonstrate Assembly, Integration and Test procedures. It will then be delivered to Cape Canaveral Air Force Station in the summer for 2012 for pathfinding activities at the launch site.

“Together with the Air Force, we continue to meet major program milestones on or ahead of schedule and we are committed to delivering GPS III spacecraft affordably and efficiently,” said Keoki Jackson, Lockheed Martin’s GPS III program director. “Our progress on the GNST is already saving the program money, eliminating risk early and providing highly reliable mission assurance for GPS constellation sustainment.”

Building on lessons learned from previous GPS space programs; the U.S. Air Force’s GPS III acquisition approach is considered by many to be the model for future space acquisition.

The program has reinstated rigorous technical specifications and standards, and placed a strong emphasis on systems engineering with a robust mission assurance process. These actions provide the basis for verifying the quality of the technical work and ensuring issues are surfaced and corrected earlier in the program.

For GPS III, Lockheed Martin is building on its proven record of delivering highly reliable GPS spacecraft. The fleet of Lockheed Martin-built GPS IIR and IIR-M satellites makes up the majority of the operational GPS constellation. The satellites have exceeded 140 cumulative operational years on-orbit with a reliability record of better than 99.9 percent. Lockheed Martin heritage also dates back to the production of the Oscar and Nova satellites, the programs that paved the way to the current GPS system.

Headquartered in Bethesda, Md., Lockheed Martin is a global security company that employs about 126,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The Corporation’s 2010 sales from continuing operations were $45.8 billion.