The 74 satellites include both Tranche 2 Beta and Tranche 2 Alpha configurations:
+ Tranche 2 Beta satellites integrate new communications technologies into the PWSA, including S-Band, Ultra High Frequency Satellite Communications, and Integrated Broadcast Service.
+ Tranche 2 Alpha satellites continue the work from Northrop Grumman's Tranche 1 Transport Layer satellites awarded in 2022.
Blake Bullock, vice president of military space systems at Northrop Grumman, stated, "Space Development Agency's vision is to field critical capabilities at an extremely rapid pace, and Northrop Grumman continues to demonstrate that we are up to the challenge. As we move into detailed design for our Tranche 2 satellites, we're executing and on-track with our Tranche 1 offerings and evaluating future opportunities with SDA programs. We are delivering on our commitments and are focused on helping SDA make the Proliferated Warfighter Space Architecture a success."
Northrop Grumman is a leading contractor for both space vehicles and ground systems within the SDA's PWSA, a next-generation constellation in low-Earth orbit. The PWSA consists of two main components:
+ The Tracking Layer: Aimed at detecting, tracking, and targeting hypersonic and ballistic missiles.
+ The Transport Layer: Ensures global data and voice connectivity for U.S. forces worldwide.
To date, the SDA has awarded Northrop Grumman contracts for more than 130 satellites. Northrop Grumman completed a Critical Design Review for its first-generation Transport and Tracking Layer satellites last year and is currently integrating space vehicles in California and at the Airbus facility in Florida.
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