CALL for HSAPS dated

FA2391-23-S-2403
HSAPS Call

Broad Agency Announcement: FA2391-23-S-2403
Pioneering Aerospace Capabilities, Engineering and Research (PACER) CALL Name: High-Speed Aero-Propulsion Scythe (HSAPS)

17 JUNE 2026

OVERVIEW INFORMATION

Broad Agency Announcement Type: This is a Two-Step Call against the PACER BAA FA2391-23-S-2403. The First Step is a Call for White Papers only. Offerors should monitor SAM.gov for any additional notices or modifications to this Call announcement.
NAICS Code: The NAICS Code for this acquisition is 541715 (Research and Technology in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (with Aircraft, Aircraft Engine, and Engine Parts exception), and the small business size standard is 1,500 employees.
Federal Agency Name: Air Force Research Laboratory, Aerospace Systems Directorate,

AFRL/RQ

Moratorium on White Papers: Beginning from the date of publication of this Call and continuing until three months after the due date for Proposals, no White Papers submitted during the PACER BAA Open Period covering the topic specified in this Call, "Topic RQH-252- Multi-Mach Operations" will be reviewed.

DUE DATE AND TIME:

First Step: WHITE PAPER DUE DATE AND TIME: 28 July 2026, 3:00 P.M. local time, Wright-Patterson AFB, OH. Only White Papers are due at this time. NOTE: White Paper receipt after the due date and time shall be governed by the provisions of FAR 52.215-1(c)(3). Early proposal submission is encouraged. Second Step: PROPOSAL DUE DATE AND TIME: To be provided in the Request for Proposal (RFP) sent to offerors that submit White Papers considered to meet the needs of the Air Force.
Submission: Electronic submission is required. White Papers and subsequent proposals must be submitted using DoD SAFE to the Primary Contracting Point of Contacts (POCs): Joseph Cook Contracting Officer, AFRL/RQKPA, [email protected]; Brandon Tracer, Contract Specialist, AFRL/RQKPA, [email protected]
Offerors should request a DoD SAFE Drop-Off link from the POCs named above by email at least 4 calendar days prior to White Paper due date.
The maximum email file size the Government can receive is 8 GB. Multiple submissions may be

FA2391-23-S-2403
HSAPS Call

needed to facilitate delivery of the entire proposal. DOD SAFE Drop-Offs should be made with sufficient time for transmittal. Submissions can take up to 4 hours for delivery (recommend submission 24 hours prior to due date to ensure timely delivery).