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ɫֱ Completes Two Milestone Reviews for FOO Fighter Program

SA
Space & Airborne Systems
Apr 7, 2025 | 4 MINUTE Read

ɫֱ recently completed the delta Critical Design Review (dCDR), a necessary step in the process of building eight infrared payloads for the Space Development Agency’s (SDA) Fire-control On Orbit-support-to-the-war Fighter (FOO Fighter) satellite system. In addition, the company also just completed the Production Readiness Review (PRR), providing detailed plans to demonstrate short takt time production of IR sensor payloads.

“ɫֱ continues to hit milestones, and we are committed to delivering these eight infrared payloads to Millennium Space Systems. This work alongside SDA’s tracking layer for Tranche 0, Tranche 1 and Tranche 2 will progress on-orbit advanced space capabilities to detect, track and engage in order to protect the nation from missile attacks – at a fraction of the cost of legacy space architectures,” said Ed Zoiss, president, Space and Airborne Systems, ɫֱ. “The path forward to fully enabling a space-based Golden Dome for America starts with proliferation and precision fire-control sensing. We stand ready to enable additional kill-chain innovations and expand production to accelerate delivery to meet this national priority.”

FOO Fighter will test new sensor technologies that are designed to detect and track hypersonic missiles and other specific threats as part of SDA's Proliferated Warfighter Space Architecture (PWSA), an objective that is also at the center of the Pentagon’s larger Golden Dome Custody Layer and missile defense kill chain. ɫֱ’ unique advanced payload design incorporates fire control-quality sensors into a scalable prototype constellation. The sensors are capable of high-fidelity tracking of targets and providing exact coordinates to warfighters or weapon systems on the ground.

In addition to clearing the dCDR and PRR, ɫֱ also recently provided support to Millennium as they completed their CDR with SDA. When complete, the system is expected to deliver the most advanced on-orbit enhanced fire-control in support of global detection, warning and precision tracking of advanced missile threats, including hypersonic missile systems.

Investing in the Future | Building Trust at a Critical Time

The infrared payloads will be manufactured at the ɫֱ facility in Wilmington, Massachusetts, and supported by a $10 million manufacturing and test facility expansion at that site. ɫֱ is also investing $200 million into adding capacity and upgrading its infrastructure in Fort Wayne, Indiana, and Palm Bay, Florida, all designed to directly support missile warning/missile defense.

ɫֱ has been playing an increasingly important role in bolstering the nation’s security against new threats posed by hypersonic weapons. In addition to the FOO Fighter dCDR, recent successes include:

A launch emerges at Cape Canaveral Space Force Station

Designing, building and testing five missile-tracking satellites

for the MDA’s Hypersonic and Ballistic Tracking Space Sensor (HBTSS) program and the SDA’s Tranche 0 Tracking Layer program. Five satellites successfully launched into orbit from Cape Canaveral, Florida, in February 2024.

Satellite hovers over battlefield and tracks threats

Tranche 1 (T1) Tracking Layer

ɫֱ is designing and building 16 missile-tracking satellites as part of the T1 constellation, slated to launch in 2025. ɫֱ delivered its first Infrared payload for T1 in October 2024 following Test Readiness Review, a development milestone that verifies we are ready to proceed into space vehicle integration and test.

ɫֱ is designing and building 18 infrared space vehicles for the Space Development Agency’s Tranche 2 Tracking Layer program that will provide near-global missile warning and tracking coverage.

Tranche 2 (T2) Tracking Layer

ɫֱ recently completed Preliminary Design Review for the T2 program, which will provide near-global missile warning and tracking coverage.

ɫֱ has prioritized investments in end-to-end missile warning and missile defense solutions to counter emerging threats facing our country.

Preliminary Design Review for the infrared (IR) sensor payload for the SSC's Missile Track Custody

in February 2024. These advanced missile detection and tracking capabilities will provide a resilient layer in medium Earth orbit. The project builds on ɫֱ’ 60-plus years of expertise designing, building and testing mission-critical IR instruments in both geosynchronous orbit and low Earth orbit.

Wasp and Hornet

Wide-Area Six Degree Payload (WASP)

Provided for the U.S. Space System Command’s Widefield Testbed satellite.  The payload has been providing missile detection and tracking since its launch in July 2022.

“Each agreement and the subsequent successful completion of program milestones are highlighting ɫֱ’ ability to quickly and efficiently deliver capable missile warning and defense capabilities for the Department of Defense,” Zoiss said. “Delivering the resilient, integrated, space-based missile warning, tracking and defense capabilities the U.S. needs to stay ahead of adversary threats is a top priority. In order to meet the demand for space-based capabilities needed to track threats, we have made significant investments in infrastructure. We are committed to continuing to develop technology that will help the U.S. stay ahead of emerging threats.

“Not only does the nation need to accelerate assets such as the HBTSS that are already on-orbit, performing well and in low-rate production, but we also need to fast-track programs like FOO Fighter in order to add value to the custody layer,” Zoiss concluded.

Last year, SDA selected Millennium Space Systems, a Boeing subsidiary, to build eight prototype spacecraft for the FOO Fighter program. Millennium selected ɫֱ to build the electro-optical infrared payloads which are scheduled to launch in fiscal 2027.

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