First Next-Gen OPIR Satellite Passes Environmental Testing, Ready for Final Integration

Early Warning System First Next-Gen OPIR Satellite Passes Environmental Testing, Ready for Final Integration

2025-08-07 Source: Lockheed Martin 1 min Reading Time

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Lockheed Martin's next-generation early warning satellite has cleared a major milestone: The GEO-based spacecraft completed rigorous environmental tests and is now moving into final systems integration—keeping the program on track for delivery to the U.S. Space Force.

The first Next-Gen OPIR GEO satellite has completed environmental testing (thermal vacuum testing pictured above).(Bild: Lockheed Martin) — The first Next-Gen OPIR GEO satellite has completed environmental testing (thermal vacuum testing pictured above).
(Bild: Lockheed Martin)

Lockheed Martin has announced that the first satellite in its Next-Generation Overhead Persistent Infrared (Next-Gen OPIR) GEO constellation has successfully passed environmental testing. Conducted at the company’s facility in Sunnyvale, California, the tests simulate the extreme conditions of space to ensure long-term performance and survivability.

The thermal vacuum (TVAC) test demonstrated that the satellite can function under extreme temperatures and vacuum conditions typical of geostationary orbit. The acoustic test confirmed the satellite’s ability to withstand the intense vibrations encountered during launch. With these tests complete, the satellite enters its final phase: integration with various ground systems.

Designed to replace the current Space Based Infrared System (SBIRS), Next-Gen OPIR satellites represent a significant leap in capability. Stationed 22,000 miles above Earth, these new satellites are equipped with advanced sensors capable of detecting emerging threats, including hypersonic missiles and dimmer, faster-burning launch signatures.

Built on Lockheed Martin’s LM 2100™ combat bus, the platform also includes hardened features to protect against counter-space threats. Together with future polar-orbiting OPIR satellites, the GEO constellation will support a resilient, multi-layered missile warning and defense architecture.

SBIRS has already demonstrated its value in real-world operations—detecting hundreds of missile launches toward Israel in 2024 and providing early warning for U.S. forces during the 2020 missile attack on Al-Asad Airbase in Iraq.

Lockheed Martin emphasizes that the new satellites will play a crucial role in protecting the U.S. and its allies through enhanced early warning capabilities. By integrating advanced space-based surveillance into national defense systems, the program aims to deliver faster, more precise threat detection across the globe.

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Date: 08.12.2025

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