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SDA-3 calls for SpaceX to launch 18 Tranche 2 Tracking Layer satellites by Lockheed Martin.
Starfish Space will build, launch, and operate an Otter spacecraft in low Earth orbit to dispose of Space Development Agency satellites at the end of their operational lives.
The Space Development Agency experienced deployment delays on its Tranche 1 satellite constellation due to government procurement regulations while many commercial operators avoided similar delays.
The U.S. Space Force Space Development Agency awarded a $52.5 million contract to Starfish Space to provide Deorbit-as-a-Service for satellites within the Proliferated Warfighter Space Architecture.
One of the missions is for the Space Development Agency's (SDA) FOO Fighter scheduled for Q3 2026.
Sierra Space has completed the first nine satellite structures for the Space Development Agency's Tranche 2 Tracking Layer program.
Sierra Space has completed the first nine satellite structures for the Space Development Agency’s Tranche 2 Tracking Layer program three months ahead of schedule.
The SDA is prioritizing vendors that can offer modular, rapidly deployable ground solutions to match the agency’s two-year 'spiral development' cadence.
The SDA intends to have the first Tranche 3 ground stations operational and tested well ahead of the scheduled 2029 launch of the first Tranche 3 orbital planes.
The Request for Information marks a shift toward hardening the terrestrial layer of the Pentagon’s mesh network as the SDA scales its orbital assets to address hypersonic threats.
The Space Development Agency released a business notice on January 6, 2026, surveying the industrial base for its ability to provide Ground Entry Points to support Tranche 3 of the Proliferated Warfighter Space Architecture.
The SDA is seeking highly resilient, low-latency ground stations to manage the massive data throughput of the Tranche 3 Transport and Tracking layers.
The SDA awarded $3.5 billion in contracts to Lockheed Martin, Northrop Grumman, L3Harris, and Rocket Lab for the Tranche 3 Tracking Layer.
The 18 satellites for the SDA will be equipped with advanced infrared sensors to detect and track ballistic, hypersonic, and next-generation missile threats.
Lockheed Martin has selected Terran Orbital to provide satellite buses for the Tranche 3 Tracking Layer (T3TRK) under the Space Development Agency’s (SDA) Proliferated Warfighter Space Architecture (PWSA).
Terran Orbital's manufacturing and supply chain capabilities align with SDA’s objectives for large-scale, proliferated constellations.
Terran Orbital provided satellite buses that contributed to the successful development, production, and on-orbit performance of SDA's constellations.
The Tranche 3 Tracking Layer expands SDA’s ability to detect, track, and provide fire-control-quality data on advanced missile threats, including hypersonic weapons.
The U.S. Space Force Space Development Agency wants input from companies on their ability to build ground entry points for Tranche 3 of the Proliferated Warfighter Space Architecture.
Sierra Space has completed satellite structures for the first nine of 18 satellites for the Space Development Agency.