Request for Information (RFI) for a Cislunar Space System (CSS)

Open — responses due 24 Nov 2026 (10 days left) · No Set aside used · Department of the Air Force, DoD · Alexandria, VA · NAICS 541715 · Solicitation 10302026-01

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Solicitation details

Solicitation number	10302026-01
Notice ID	578f3342f18a4088b0b9dbab12bdb4d4
Agency	Department of Defense (DoD)
Sub-agency	Department of the Air Force
Contracting office	DEPT OF THE AIR FORCE
NAICS code	541715 — Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology)
Product / service code (PSC)	1555
Set-aside	No Set aside used
Notice type	Special Notice
Posted	03 November 2026
Response deadline	24 November 2026
Place of performance	Alexandria, VA, USA
Competition	Competitive

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Description

(U) The Department of the Air Force (DAF) is seeking market research information to inform the potential acquisition strategy for a Cislunar Space System (CSS). The CSS will consist of up to five (5) space vehicles (SVs), each of which will require a spacecraft bus, accommodation of a Government-provided payload, SV integration & test, a Ground Segment, including mission management and telemetry, tracking, control and communications, a solution for space launch, system (space vehicle/ground segment/communications) integration, and operations and maintenance (O&M). The Government is notionally interested in procuring up to five (5) SVs to meet DAF mission needs in late CY29. These vehicles may serve as seed vehicles that will inform the acquisition strategy for a potential future proliferated cislunar constellation. The Government is looking for information on industry's ability to provide a rapid, low-risk (minimal non-recurring engineering (NRE)) solution that can accommodate the Government's technical and programmatic objectives. (U) The Government intends to award up to five (5) Firm Fixed Price (FFP) preliminary design study contracts upon Government consideration of the market information collected with this RFI and all other sources of information relevant to the effort. Failure to respond to this RFI may result in loss of the ability to participate in a subsequent program acquisition. (U) This RFI does not constitute a Request for Proposal (RFP), and industry should not construe the RFI as a commitment by the Government. In accordance with Revolutionary FAR Overhaul (RFO) provision 15.101, Early Exchanges with Industry, be advised that this is only an RFI and does not obligate the Government to reimburse any cost associated with preparation and/or submission of a RFI response. This RFI does not guarantee that the Government will issue an RFP or award a contract to provide these supplies or services.

Version history

SAM.gov has posted 3 notices under solicitation 10302026-01, oldest first.

02 November 2026 — Special Notice
03 November 2026 — Special Notice (this page)
13 November 2026 — Special Notice (latest)

Documents in the solicitation package

2 files are attached to this notice.

(U) CSS RFI_2026_11_03_Final v2.pdf
Atch 1 to CSS RFI_Summary Response Template.xlsx

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Market context: DoD and NAICS 541715

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

In fiscal year 2026, DoD obligated $10.1B across 5,114 contract actions under NAICS 541715.
4,055 contracts worth $40.6B in this category end within the next 18 months.

DoD contracts under NAICS 541715 →

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Source: this notice on SAM.gov. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Always confirm dates and requirements against SAM.gov before responding.