Unmanned Maritime Systems (UMS) Support

Closed — responses were due 16 Jan 2026 · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14) · Department of the Navy, DoD · NAICS 541330 · Solicitation N6133126R3102

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What happened next

This solicitation has closed — responses were due 16 January 2026.

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Solicitation details

Solicitation number	N6133126R3102
Notice ID	a85f65d8dd524e909e6cf04ecd252dcb
Agency	Department of Defense (DoD)
Sub-agency	Department of the Navy
Contracting office	NAVAL SURFACE WARFARE CENTER
NAICS code	541330 — Engineering Services
Product / service code (PSC)	R425
Set-aside	Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Notice type	Solicitation
Posted	19 December 2025
Response deadline	16 January 2026 (closed)

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Description

***ONLY SEAPORT MAC HOLDERS are eligible for award under this solicitation.*** Request for Proposal (RFP) under the Seaport NxG Multiple Award Contract (MAC), number N6133126R3102 for the Unmanned Maritime Systems (UMS). This RFP will also be posted within the Seaport NxG Opportunities Page. This effort has been previously been posted within the Seaport NxG portal under the Opportunities page as the following: Source Sought Notice N61331-25-SN-Q31, dated 6/13/2025 and the follow-up Advance Planning Notice/Pre-Solicitation Notice dated 8/20/2025. Previous references this potential solicitation as number N6133125R3009. *** RESPONSES MUST BE SUBMITTED VIA THE PIEE SOLICITATION MODULE.*** ***UPDATE 12/8 This announcement was posted in the Seaport opportunities page, PLEASE UTILIZE THE DOCUMENTS FOUND WITHIN THE SEAPORT ANNOUCEMENT, Opportunity - Unmanned Maritime Systems RFP N6133126R3102. Opportunity Type: Other.*** UPDATE 12/19 Response time updated to 01/16/2026 4 PM CST ****.

Version history

SAM.gov has posted 7 notices under solicitation N6133126R3102, oldest first.

05 December 2025 — Solicitation
08 December 2025 — Solicitation
10 December 2025 — Solicitation
19 December 2025 — Solicitation (this page)
02 January 2026 — Solicitation
08 January 2026 — Solicitation
20 August 2026 — Award Notice (latest)

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Market context: DoD and NAICS 541330

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4,476 contracts worth $47.0B in this category end within the next 18 months.

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