Tracking Layer Tranche 4 On-orbit Demonstrations and Operations Request for Information
Special Notice from Department of Defense.
Data as of Oct 24, 2026. Sources: SAM.gov and Grants.gov. Snapshot govcon-directory-20261024T104923Z-2151694.
This product uses the Grants.gov API but is not endorsed or certified by the U.S. Department of Health and Human Services. Counts and totals are computed by DSE from public SAM.gov and Grants.gov notices. Text from Grants.gov may be shortened or have contact details removed. The original notice on Grants.gov is the authoritative version.
Closing in 41 days
Notice details
- Agency
- Department of Defense
- Sub-tier agency
- DEPT OF THE AIR FORCE
- Notice type
- Special Notice
- Solicitation number
- SDA-SN-27-0003
- Product/service code
- AC13
- Posted
- Oct 21, 2026
- Response deadline
- Dec 4, 2026
- Source
- SAM.gov
Description
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 [contact details on the official notice] 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)
Summarized from the official notice.
Official notice
Requirements and amendments are controlled by the official notice.
DSE verdict
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See DSE GovCon plans →Prior awards (USAspending)
Department of Defense obligated $14,777,575 under NAICS 541715 on awards whose period of performance started in the last 12 months.
Source: USAspending.gov, U.S. Department of Treasury, Bureau of the Fiscal Service, https://www.usaspending.gov. Accessed Oct 24, 2026. Award totals are computed by DSE from USAspending.gov award data.
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Set up free alerts →Frequently asked questions
When is the response deadline?
The published deadline is Dec 4, 2026. That is 41 days after the data date.
What NAICS code applies?
NAICS 541715, Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Which agency issued this notice?
Department of Defense.
Where is the official notice?
The link under Official notice opens the source listing.