Mine Warfare (MIW) and Surface Mine Countermeasures (SMCM) Design Agent (DA), Technical Direction Agent (TDA), In-Service Engineering Agent (ISEA), and Foreign Military Sales (FMS)

Inactive on SAM.gov — responses were due 7 Jul 2026 · Total Small Business Set-Aside (FAR 19.5) · Department of the Navy, DoD · NAICS 541330 · Solicitation N61331-26-SN-Q28

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What happened next

SAM.gov marked this notice inactive — responses were due 07 July 2026.

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Solicitation details

Solicitation number	N61331-26-SN-Q28
Notice ID	85afe3cdebeb4daea104944ab6b4ea5e
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	Total Small Business Set-Aside (FAR 19.5)
Notice type	Special Notice
Posted	29 June 2026
Response deadline	07 July 2026 (closed)

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Description

PRE SOLICITATION Q and A: Mine Warfare (MIW) and Surface Mine Countermeasures (SMCM) Design Agent (DA), Technical Direction Agent (TDA), In-Service Engineering Agent (ISEA), and Foreign Military Sales (FMS) Description: ***ONLY SEAPORT MAC HOLDERS SHOULD RESPOND TO THIS PRE SOLICITATION Q and A*** This Pre-Solicitation Q and A is related to Pre-Solicitation Notice N61331-26-SN-Q28. This posting is to capture and provide questions and answers from the briefing conducted on 6/29/2026 for the Pre-Solicitation Conference for Mine Warfare (MIW) and Surface Mine Countermeasures (SMCM) Design Agent (DA), Technical Direction Agent (TDA), In-Service Engineering Agent (ISEA), and Foreign Military Sales (FMS). Additionally, the briefing and attendance list will be provided here for teaming opportunities. Please use the Q and A feature within the PIEE Solicitation module to ask questions. Attachments will be restricted to SeaPort MAC holders. *THIS IS NOT A REQUEST FOR PROPOSAL*

Version history

SAM.gov has posted 3 notices under solicitation N61331-26-SN-Q28, oldest first.

16 June 2026 — Presolicitation
16 June 2026 — Presolicitation
29 June 2026 — Special Notice (this page)

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Market context: DoD and NAICS 541330

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

In fiscal year 2026, DoD obligated $8.7B across 3,568 contract actions under NAICS 541330.
4,476 contracts worth $47.0B in this category end within the next 18 months.

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