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Lockheed Martin’s first Missile Warning Satellite completes vacuum testing

Stephen Kuper

Lockheed Martin and the US Space Force have successfully completed thermal vacuum (TVAC) testing on the fifth, Space Based Infrared System Geosynchronous Earth Orbit satellite (SBIRS GEO-5) at the companys Sunnyvale, California, satellite manufacturing facility.

Lockheed Martin’s first Missile Warning Satellite completes vacuum testing
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Completing TVAC was a significant milestone for the first military space satellite to be built on one of Lockheed Martin’s modernised LM 2100 satellite buses. During TVAC testing, the satellite – with its sophisticated electronics performing full operations – faced waves of heat and cold in a depressurised atmosphere similar to the drastic environmental changes experienced in space.

Tucker White, SBIRS GEO-5 assembly, test, and launch operations lead from the Government Program Office, said, "The completion of TVAC can be attributed to a tremendous effort from the Air Force, Lockheed Martin, Aerospace Corporation, and supporting contractor teams."

SBIRS GEO-5 will join the Space Force’s constellation of missile warning satellites that are equipped with powerful scanning and staring infrared surveillance sensors, which protect our nation 24-7.

"The teams worked around the clock and finished on schedule to their original projection. This test phase is vital to any space vehicle test regime and takes GEO-5 one step closer to providing enhanced missile detection to our warfighters," White added.

These sensors collect data that allow the US military to detect missile launches, support ballistic missile defence, expand technical intelligence gathering and bolster situational awareness on the battlefield.

SBIRS GEO-5 is the first of two new SBIRS missile defence satellites and the fourth satellite built on Lockheed Martin’s new, modernised LM 2100 satellite bus.

A major investment by Lockheed Martin, the LM 2100 purposefully focuses on increasing production speed, reducing costs, adding resiliency and building in more mission flexibility. The LM 2100:

  • Drives efficiency and cost savings into satellite design and production by leveraging common components, processes and production practices across the entire satellite production line;
  • Features 26 improvements that add more power and flexibility to the company’s proven A2100 satellite platform;
  • Increases satellite resiliency, eliminates older components and utilises modern electronics to add new capability and increase reliability;
  • Offers a configurable payload module that provides more flexibility for military missions, accommodating mass, power, propellant and volume; and
  • Allows easy implementation of additional modernised sensor suites and mission payloads through its modular design.

"In SBIRS GEO-5, and our next satellite GEO-6, we’re introducing game-changing enhancements to address the needs of our nation’s space warfighting force going forward," explained Tom McCormick, vice president for overhead persistent infrared (OPIR) missions at Lockheed Martin Space.

LM 2100 is currently slated to be the baseline bus of SBIRS GEO-5, and SBIRS GEO-6, expected to be launched in 2021 and 2022, respectively; three next Next Generation OPIR System Block 0 GEO satellites expecting to launch starting in 2025; and the future GPS III Follow On (GPS IIIF) satellites, which are expected to launch starting in 2026.

McCormick added, "The threat posed by ballistic missile technology continues to spread exponentially around the world. In 2019, SBIRS detected nearly a thousand missile launches globally, which is about a two-fold increase in two years."

The sophisticated SBIRS ground control system has had significant upgrades. SBIRS receives and processes large amounts of data from the global coverage of the satellites’ powerful sensors and converts this data into actionable reports for defense, intelligence and civil applications.

In August 2019, the US Air Force operationally accepted Lockheed Martin’s Block 20 upgrade to the SBIRS ground control system, which improves its overall performance allowing better mission planning and processing for the full constellation, as well as enhanced cyber security defences.

The upgrade also formally completed SBIRS’ Engineering & Manufacturing Development (EMD) Phase. This let the Air Force transition their focus to SBIRS’ operations and sustainment, as well as further enhanced capabilities that will be offered by the Next Gen OPIR system, and the Future Operational Resilient Ground Evolution (FORGE) ground system.

The SBIRS development team is led by the Production Corps, Geosynchronous Earth Orbit Division, at the US Space Force’s Space and Missile Systems Center, Los Angeles Air Force Base, California. Lockheed Martin Space, Sunnyvale, California, is the SBIRS prime contractor, with Northrop Grumman Aerospace Systems, Azusa, California, as the payload integrator.

Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 110,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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