| Location: | California |
|---|---|
| Posted: | Oct 19, 2026 |
| Due: | Nov 16, 2026 |
| Agency: | DEPT OF DEFENSE |
| Type of Government: | Federal |
| Category: |
|
| Solicitation No: | FA9300-20-S-0001-CALL-RDRE-CC |
| Publication URL: | To access bid details, please log in. |
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AMENDMENT 0001 - NOTICE OF AVAILABILITY OF TECHNICAL Q&AS (DISTRIBUTION C)
==============================================
The purpose of this update is to notify interested parties that official
Government Responses to Industry Questions has been finalized.
Because these Q&As address technical details of the Call, they have been marked
as Controlled Unclassified Information (CUI) under Distribution Statement C
(Distribution authorized to U.S. Government agencies and their contractors).
INSTRUCTIONS FOR ACCESS:
1. Previously Vetted Contractors (Already Approved for Attachment 1):
Please request access to "Attachment 2 - Call Q&A (Distribution C)" via the
SAM.gov "Attachments" portal.
CRITICAL REQUIREMENT: You MUST enter your company's CAGE Code in the
"Reason for Request" text box on SAM.gov. Access will be cross-referenced
against the Government's approved registration log and granted immediately
upon validation. Requests submitted without a CAGE Code will be rejected.
2. New Requestors:
If you have not yet been vetted, you must request access to both Attachment 1
and Attachment 2 simultaneously. You must submit your active Joint Certification
Program (JCP) details, CAGE Code, and a valid US-citizen company email address
in accordance with the original access protocols detailed below.
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END of AMENDMENT 0001
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SPECIAL NOTICE – CALL FOR PROPOSALS
Department of the Air Force / Air Force Materiel Command (AFMC)
Air Force Research Laboratory (AFRL) Rocket Propulsion Division – Edwards AFB, CA
HERMES Broad Agency Announcement (BAA) FA9300-20-S-0001
CALL: Rotating Detonation Rocket Engine-Combined Cycle (RDRE-CC) Flight Demonstration
1. Program Description
The Air Force Research Laboratory, Rocket Propulsion Division (AFRL/RJP), located at Edwards AFB, CA, is issuing a formal Two-Step Call for Proposals under the overarching HERMES Broad Agency Announcement (BAA) FA9300-20-S-0001. This Call follows the market research previously conducted and publicized under RFI Notice ID RFIFA930026R0001.
AFRL/RJP seeks innovative research and development approaches to mature advanced Rotating Detonation Rocket Engine-Combined Cycle (RDRE-CC) propulsion systems from Technology Readiness Level (TRL) 3 to TRL 6. This research effort is intended to culminate in a ground-launched, sounding-rocket-boosted flight demonstration to validate the system's operational viability for future High-Speed Affordable Mass Munitions (HAMM).
The scope encompasses:
Maturation and demonstration of RDRE-CC propulsion technology through RDRE development and test, integrated RDRE-CC direct-connect and freejet testing, vehicle development, and flight demonstration.The anticipated Period of Performance (PoP) for resultant award(s) is 36 to 48 months.
2. Acquisition Structure (Two-Step BAA Process)
In accordance with RFO 35.102 and Section IV of the Hermes Master BAA, this Call utilizes a Two-Step solicitation process:
The Government anticipates completing its Step 1 White Paper evaluations and issuing notifications within approximately six (6) to eight (8) weeks following the submission closing date.
3. Submission Guidelines & Page Limits
4. Security & Access to Controlled Call Document (Distribution Statement C)
The detailed technical requirements, vehicle constraints, and Specific Test Objectives (STOs) for this Call are contained within the formal Call Document, which contains militarily critical technology and has been designated:
DISTRIBUTION STATEMENT C: Distribution authorized to U.S. Government Agencies and their contractors; Critical Technology, Export Controlled; 14 September 2026. Other requests shall be referred to AFRL/RJP, 5 Pollux Drive, Edwards AFB, CA 93524-7048.
To safeguard this Controlled Technical Information (CTI) in accordance with DoDI 5230.24 and DoDD 5230.25, the document is hosted on SAM.gov as a Controlled Attachment:
5. Submission Inquiries & Points of Contact
All Step 1 White Papers must be submitted electronically to the AFRL/AFTC White Paper Workflow Inbox no later than the date and time specified in this notice:
| Oct 1, 2026 | [Special Notice (Original)] HERMES BAA CALL: Rotating Detonation Rocket Engine-Combined Cycle (RDRE-CC) Flight Demonstration |

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