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SDA Outlines Tranche 3 Transport Layer In Draft Solicitation

Cal Biesecker By
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SDA Outlines Tranche 3 Transport Layer In Draft Solicitation
Pictured is a Rocket Lab depiction of the future Tranche 2 Transport Layer- Beta satellites that the company is building for the U.S. Space Force Space Development Agency.

The Space Development Agency (SDA) last Thursday issued a draft solicitation for the third tranche of its transport layer of low-Earth orbit (LEO) satellites, which will require 40 spacecraft split between two companies for data and communications to support global warfighting missions. The unique capabilities planned for the Upsilon variant of the Tranche 3 Transport Layer (T3TLu) include S-band tactical satellite communication (TACSATCOM), UHF TACSATCOM, Integrated Broadcast Service-LEO, and Global Navigation Satellite System situational awareness mission payloads, SDA said in…

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