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Notice

Tracking Layer Tranche 4 On-orbit Demonstrations and Operations Request for Information

The Space Development Agency (SDA) is seeking information to inform future solicitations and reduce risk associated with the Proliferated Warfighter Space Architecture (PWSA) architecture acquisition and integration plans.

Notice typeSpecial Notice: An announcement, such as an industry day or a request for information.
Who's buyingFa2401 Space Development Agency Sda, Dept of the Air Force
WhereWork location not listed. The buying office is in Chantilly, Virginia.
DeadlineFri, Dec 4, 2026 at 12:00 PM EST (42 days left)
Who can bidOpen to any business (no set-aside listed)
IndustryNAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology))
Solicitation #SDA-SN-27-0003
PostedTue, Oct 20, 2026

Open the official posting

From the notice

The Space Development Agency (SDA) is seeking information to inform future solicitations and reduce risk associated with the Proliferated Warfighter Space Architecture (PWSA) architecture acquisition and integration plans. This RFI seeks industry feedback on enhancements to its baseline Tracking Layer’s Resilient MWTD mission payloads and architecture, as well as new mission capabilities that can help the PWSA provide enhanced mission performance to detect and track more challenging targets across their full flight trajectories. Additional details, mission objectives, and architecture information are available upon request. Responses to this RFI will specifically inform SDA’s scope and design of possible short-term on-orbit demonstration(s) and future Tracking Layer tranches. Following this RFI and feedback phase, SDA plans to announce a Tranche 4 solicitation that includes both production contracts and partnership opportunities for rapid prototyping and flight demonstration(s) of new mission payloads. This Request for Information consists of Controlled Unclassified Information (CUI) and a classified addendum. Interested parties must contact SDA to receive the documents. Please send an email to ussf.pentagon [email protected] with the subject line “TRKT4 RFI Content Request.” Please include: • Company Name: • Cage Code: • City, State of Company location • Email address: • JWICS email: (for classified documents)

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