# Relentless Wolfpack CALL Amendment

Canonical: https://abierto.us/opportunities/fa239123s2403rwcall01rasouth

- Solicitation number: FA239123S2403RWCALL01RASouth
- Notice type: Solicitation
- Status: Open. Offers due October 2, 2026 at 1:00 PM EDT
- Department: Department of the Air Force
- Agency: Department of the Air Force
- Contracting office: FA8651 AFRL Raz (FA8651)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC13 National Defense R&D Services; Department Of Defense - Military; Experimental Development
- First posted: August 19, 2026
- Last posted: September 14, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/cc44e89328884b3884f098288ae596df/view

## Description

Relentless Wolfpack CALL 01 for RA South under the PACER BAA is being amended.  The Amended Call is being posted and those Performers that have submitted the necessary documentation and received the initial call with all attachments need to request the revised documents.  The following attachments will be provided upon request, Atch 2 - Statement of Objectives_Rev2, Atch - 3 ADRLs_Rev1, Atch 9 - Milestone Payments_Rev1, and Questions and Answers to RW CALL. The due date on the CALL is NOT being extended. As a reminder, performers are encouraged to use the PIEE solicitation module to submit proposals.  Please ensure that accounts have been set up prior to Call due date.

Previous Notice: The effort is Relentless Wolfpack Call 01_RA South to PACER BAA, FA239123S2403.  The call information is attached.  Please follow the directions in the call to recieve the entire CALL package.  Please read the CALL information carefully.  Previous postings are as follows:  FA865126RFI0006, Special Notice, Grand Challenge - Relentless Wolfpack, published 13 Jul 2026; FA865126RFI005, Special Notice, Relentless Wolfpack RFI, published 1 Apr 2026.

## Attachments

- [Relentless WP Call 01- RA South.docx](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/49f51e796e8c4014ba6c6c63a206a794/download)

## Publications

- August 19, 2026: Solicitation, due October 2, 2026 at 1:00 PM EDT. Notice da141322383e4952a236cc727c157e05. https://sam.gov/workspace/contract/opp/da141322383e4952a236cc727c157e05/view
- September 14, 2026: Solicitation, due October 2, 2026 at 1:00 PM EDT. Notice cc44e89328884b3884f098288ae596df. https://sam.gov/workspace/contract/opp/cc44e89328884b3884f098288ae596df/view

## Points of contact

- Jace Hilton, jace.hilton@us.af.mil
- Jane Ellison, Contracting Officer, jane.ellison@us.af.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/fa239123s2403rwcall01rasouth.