This Government Contract opportunity from Department Of Defense was posted on July 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Guam Defense System (GDS) Request for Solutions Brief (RFSB)

Closed

MOSAIC-26-04Federal

Submission Closed07/20/2026, 01:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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AI Contract Overview

The U.S. Army Portfolio Acquisition Executive Fires is soliciting solutions for the Guam Defense System under a Request for Solutions Brief with solicitation number MOSAIC-26-04, aiming to award a single Other Transaction Agreement for Prototype under 10 U.S.C. § 4022. Only U.S.-based companies capable of handling and securing SECRET-level information and hardware are eligible to respond. The RFSB was initially issued with revisions posted on July 2, July 14, and July 17, 2026, with the most recent revision adding MITRE as an approved Non-Government Personnel support entity and confirming that the CUI Q&A has been distributed to all vendors via DoD SAFE. The deadline for submission has been extended to 0900 EST on July 20, 2026, with responses due by 1300 EST on the same day. The solicitation is managed by the Department of Defense through the Redstone Arsenal office in Alabama, with primary point of contact Sydney Horn and secondary contact Barbara Cantrell. The NAICS code 541715 applies, indicating the work involves scientific research and development services. No details on evaluation criteria, contract value, deliverables, packaging, or special requirements were provided in the available documentation, and no attachments or clauses were accessible due to technical errors.

General Info

U.S. Army seeks U.S.-based firms for SECRET-level Guam Defense System prototype via OT agreement, due July 15, 2026.

Agency

Department Of Defense → W6J1 Rccto RedstoneView Agency

NAICS

541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)View NAICS

Place of Performance

AL, USA

Set-Aside

NONE

Documents

(5)

GDS+BM+RFSB+20260625+REV03.pdf

PDF

GDS+BM+RFSB+20260625+REV02.pdf

PDF

GDS+BM+RFSB+20260625+REV02.pdf

PDF

Guam Defense System Battle Manager Suite RFSB MOSAIC-26-04

PDF•rfsb

Guam Defense System Battle Manager Suite RFSB MOSAIC-26-04

PDF•rfsb

AI Contract Breakdown

Uniform Contract Format

Timeline

3 updates

PhaseClosed

PostedJul 2

special-notice

Amendment 1Jul 13

Contract was updated

Amendment 2Jul 14

Contract was updated

Amendment 3Jul 17

Contract was updated

Response DeadlineJul 20

Deadline has passed

Submission Closed

07/20/2026, 01:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → W6J1 Rccto Redstone

Contacts2 people available

OfficeREDSTONE ARSENAL, AL, 35898-0000, USA

Organization / Agency

Department Of Defense → W6J1 Rccto Redstone

View Agency Profile

Office AddressREDSTONE ARSENAL, AL, 35898-0000, USA

Contacts

Sydney Horn

contact@example.gov

Barbara Cantrell

contact@example.gov

Full Description

REV03 posted on 17 July 2026 adds MITRE to the companies of Non-Government Personnel support for this effort.

REV 02 posted on 14 July 2026. Additionally, the CUI Q&A has been provided to all vendors via DoD SAFE. The RFSB due date is extended to 0900 EST on 20 July 2026.

REV 01 Posted on 02 July 2026.

The U.S. Army Portfolio Acquisition Executive (PAE) Fires is issuing a Guam Defense System (GDS) Request for Solutions Brief (RFSB) with the intent of awarding one (1) Other Transaction Agreement for Prototype (pOTA) in accordance with (IAW) 10 U.S.C. § 4022. Only U.S. companies with the ability to process and store SECRET information and hardware are eligible to submit a solutions brief.

Please refer to the attached RFSB document for additional information.