Network Extension for User Continuity and Sustainability (NEXUS) Ka-Band Backward-Compatible Relay Broad Agency Announcement (BAA) NextSTEP-3 Appendix E - Final Solicitation

About this funding opportunity

UPDATE 12: The Government amends Solicitation 80MSFC26R0006 with an Amendment 05 date of July 16, 2026. The posted Change Log located within Amendment 05 includes all changes to the Final Solicitation Package.

Amendment 05 includes administrative updates to the CLIN Descriptions seen in Attachment J.

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UPDATE 11: The Government amends Solicitation 80MSFC26R0006 with an Amendment 04 date of July 13, 2026. The posted Change Log located within Amendment 04 includes all changes to the Final Solicitation Package.

Amendment 04 includes a Proposal Submittal due date extension from July 21, 2026 to August 04, 2026.

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UPDATE 10: The Government amends Solicitation 80MSFC26R0006 with an Amendment 03 date of July 06, 2026. The posted Change Log located within Amendment 03 includes all changes to the Final Solicitation Package.

Amendment 03 includes:

1. A Proposal Submittal due date extension from July 10, 2026 to July 21, 2026.

2. A revised Entities Excluded from Participation listing

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UPDATE 9: The Government amends Solicitation 80MSFC26R0006 with an Amendment 02 date of June 29, 2026. The posted Change Log located within Amendment 02 includes all changes to the Final Solicitation Package.

Amendment 02 includes:

1) The Government's responses to questions received in response to Amendment 01.

2) A Proposal Submittal due date extension from July 7, 2026 to July 10, 2026.

3) An updated BOX link for proposal submittals.

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UPDATE 8: The Government amends Solicitation 80MSFC26R0006 with an Amendment 01 date of June 22, 2026.

The Government’s responses to all industry questions are hereby posted, along with a Change Log identifying all modifications made to the Final Solicitation Package

Amendment 01 includes updates to Solicitation 80MSFC20R0006, to include: Attachment A.2, NEXUS SRD, Attachment B, NEXUS DPD, Attachment F, Payment Milestones and Acceptance Criteria, Attachment H, NEXUS TDRS Model Contract, and Attachment J, Pricing Model.

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UPDATE 7: Primary Contracting Officer changed to Jacquelyn Pletcher.

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UPDATE 6: Final Solicitation Release

Question Submittal Window: Closes end of day June 9, 2026

Proposal Due Date: 10:00 a.m. Central Time, July 7, 2026

Update 6 constitutes the final solicitation release and supersedes all prior versions. This notice does not commit the Government to award, nor will the Government reimburse any costs incurred in preparing responses.

NASA hereby releases the NextSTEP‑3 APPENDIX E: Network Extension for User Continuity and Sustainability (NEXUS) Backward‑Compatible Ka‑Band Relay Broad Agency Announcement (BAA), Solicitation 80MSFC26R0006.

NAICS: 541715

Set‑Aside: None

Foreign Participation: Not permitted

NASA Clause 1852.215-84, Ombudsman, applies. Current Ombudsman information is available at https://www.hq.nasa.gov/office/procurement/regs/Procurement-Ombuds-Comp-Advocate-Listing.pdf.

All questions, comments, suggestions, or requests regarding the NEXUS TDRS‑BC acquisition must be submitted only to:

Jennifer George

Lead Contracting Officer, NASA/MSFC/PS50

MSFC-NEXUS@mail.nasa.gov

This final solicitation includes a Service Requirements Document (SRD) which contains ITAR-controlled technical data. The clause at NFS 1852.225-70 (Export Licenses) has been incorporated. Therefore, access to these materials is restricted to contractors with valid ITAR/EAR export clearance per NASA export-control…

Topic areas: General and Cross-cutting R&D, Space and Aerospace.

Funding amount

This contract provides Varies in funding.

Deadline

Applications are due Aug 04, 2026. Confirm the exact closing time on the official program page before applying.

Who can apply

This opportunity is open to the following applicant types:

• SME
• MidCaps
• Large Company
• Startups
• University
• Research Organization
• NGOs
• Public Authorities

Eligibility

The program did not publish a separate eligibility statement. See the official opportunity page for the full eligibility criteria.

Agency

Network Extension for User Continuity and Sustainability (NEXUS) Ka-Band Backward-Compatible Relay Broad Agency Announcement (BAA) NextSTEP-3 Appendix E - Final Solicitation is administered by National Aeronautics And Space Administration (NASA), listed via SAM.gov.