HSAPS CALL Amendment 1 dated

FA2391-23-S-2403
HSAPS Call
Amendment 1

Broad Agency Announcement: FA2391-23-S-2403
Pioneering Aerospace Capabilities, Engineering and Research (PACER) CALL Name: High-Speed Aero-Propulsion Scythe (HSAPS)
Amendment 1 dated 13 July 2026
Reference Call dated 17 June 2026

AMENDMENT 1

1. Please be aware that because of the First Step white paper due date (Ref. HSAPS Call Pg. 1, Para. “Due Date and Time”) any new requests for the HSAPS CUI documents will not be considered. As stated in the HSAPS Call (Ref. I.1.a.), requests for HSAPS CUI documents should have been completed “…within 2 weeks of the Call posting date.”
2. Please be aware the referenced attachment numbers have been updated for consistency. The attachment numbers for the HSAPS Call are updated as shown below:
HSAPS Call Attachments
From (Ref. HSAPS Call Para. I.1.):
To:
Attachment 1: HSAPS IDIQ Contract
Attachment 2: HSAPS IDIQ
Data Requirements List (CDRL)
Statement of Work (SOW)(CUI)
Attachment 2: HSAPS IDIQ Statement
Attachment 3: POETICS Initial
of Work (SOW)
Task Order Statement of Objectives

(SOO)(CUI)

Attachment 3: POETICS Initial Task
Order Statement of Objectives (SOO)
Attachment 4: DD Form 254(CUI)
Attachment 5: Reusable Aero
Attachment 4: Reusable Aero Propulsion
Propulsion (ReAPr) Program Key
(ReAPr) Program Key Performance
Performance Parameters (KPP)(CUI)
Parameters (KPP)
From (Ref. HSAPS Call Para. V.I.):
1. Contract Data Requirements List (CDRLs) 03
December 2025
2. Statement of Work (HSAPS IDIQ)(CUI) dated 24
February 2026
3. Statement of Objectives (POETICS, Task Order
1)(CUI) dated 06 April 2026

4. DD Form 254 (CUI)

5. Section H Clause- H0023- Wright Research Site
Security Requirement

To:
1. Contract Data Requirements List (CDRLs) 03
December 2025
2. Statement of Work (HSAPS IDIQ)(CUI) dated

24 February 2026

3. Statement of Objectives (POETICS, Task

Order 1)(CUI) dated 06 April 2026

4. DD Form 254

5. Reusable Aero Propulsion (ReAPr) Program

Key Performance Parameters (KPP)(CUI)
6. Section H Clause- H0023- Wright Research
Site Security Requirement

Note: Previously provided attachment content remains unchanged, only the attachment numbers have been revised.

FA2391-23-S-2403
HSAPS Call
Amendment 1

3. Please be aware the following Questions and AFRL Clarifications are hereby provided as shown below: Solicitation Questions
1. Is the HSAPS Call only accepting above
hypersonic capable propulsion systems, or will