LM Delivers Propulsion Core for 1st GPS III Satellite
- Spacecraft on Schedule for 2014 Launch Availability
The Lockheed Martin [NYSE: LMT] team developing the U.S. Air Force’s next generation Global Positioning System III satellites has delivered the first spacecraft’s propulsion core module to the company’s Denver-area GPS Processing Facility (GPF). The milestone represents the program’s first major hardware delivery for GPS III Space Vehicle 1 and highlights the satellite’s initial Assembly, Integration and Test activities in the GPF.
The propulsion core contains the integrated propulsion system and serves as the structural backbone of the satellite. Developed and tested at Lockheed Martin's Mississippi Space & Technology Center, the propulsion subsystem is essential for maneuvering the GPS III satellite during transfer orbit to its final location as well as conducting on-orbit repositioning maneuvers throughout its mission life.
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"The delivery of the propulsion core demonstrates that this program is on firm footing and poised to deliver on its commitments," said Lt Col Todd Caldwell, the U.S. Air Force’s GPS III program manager. "In this challenging budget environment, we are focused on efficient program execution to deliver critical new capabilities to GPS users worldwide.”
The propulsion system benefits from a Lockheed Martin initiative to improve the manufacturability of GPS III. The activity simplified plumbing routing and reduced welds by 25 percent compared to similar spacecraft, which results in significantly reduced cycle time and cost for all GPS III production satellites.
To reduce risk and overall program costs for the government, the team is first fielding a full-sized satellite prototype, known as the GPS III Non-Flight Satellite Testbed (GNST). The approach is used to identify and solve development issues prior to integration and test of the first GPS III satellite.
“Building on the lessons learned from our GNST pathfinder, we expect to execute a very smooth and efficient assembly, integration and test phase for the first GPS III satellite” said Keoki Jackson, vice president of Lockheed Martin's Navigation Systems mission area.. “We are on track to deliver the first satellite for launch availability in 2014, and as we complete production pathfinding on the GNST and move into full scale satellite production, we expect to streamline our processes further, reduce risk, lower per unit costs and ensure mission success.”
The GPS III program will affordably replace aging GPS satellites while improving capability to meet the evolving demands of military, commercial and civilian users. GPS III satellites will deliver better accuracy and improved anti-jamming power while enhancing the spacecraft’s design life and adding a new civil signal designed to be interoperable with international global navigation satellite systems.
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Source : Lockheed Martin Corporation (NYSE: LMT)