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

Inactive on SAM.gov — responses were due 20 Jul 2026 · Unrestricted (full and open) · Department of the Army, DoD · NAICS 541715 · Solicitation MOSAIC-26-04

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What happened next

SAM.gov marked this notice inactive — responses were due 20 July 2026.

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Solicitation details

Solicitation number	MOSAIC-26-04
Notice ID	ff790e01012f4451807cfb6ed8332f4b
Agency	Department of Defense (DoD)
Sub-agency	Department of the Army
Contracting office	W6J1 RCCTO REDSTONE
NAICS code	541715 — Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology)
Product / service code (PSC)	AC33
Set-aside	Unrestricted (full and open)
Notice type	Special Notice
Posted	13 July 2026
Response deadline	20 July 2026 (closed)

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Description

REV 02 posted on 13 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.

Version history

SAM.gov has posted 4 notices under solicitation MOSAIC-26-04, oldest first.

02 July 2026 — Special Notice
13 July 2026 — Special Notice (this page)
14 July 2026 — Special Notice
17 July 2026 — Special Notice (latest)

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Market context: DoD and NAICS 541715

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