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Solicitation, total small business set-aside

Request for Proposals for Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT)

N6133126R3105

Department of the Navy, Naval Surface Warfare Center. Engineering Services.

View on SAM.govMarkdown

Response deadline

February 6, 2026 at 5:40 PM EST

Closed 224 days ago. Posted January 23, 2026, first published December 23, 2025. Scheduled to archive January 23, 2027.

Description

As published on SAM.gov.

ONLY SEAPORT MAC HOLDERS are eligible for award under this solicitation.

Request for Proposal (RFP) under the Seaport NxG Multiple Award Contract (MAC), number N6133126R3105 for Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT). 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-Q38, dated 7/11/2025 and the follow-up Advance Planning Notice/Pre-Solicitation Notice dated 11/7/2025. Previous references this potential solicitation as number N6133126R3006.

RESPONSES MUST BE SUBMITTED VIA THE PIEE SOLICITATION MODULE.

PLEASE UTILIZE THE DOCUMENTS FOUND WITHIN THE SEAPORT NxG ANNOUCEMENT, Opportunity - Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT) RFP N6133126R3105.

Opportunity Type: Other.

Please refer to the Amendment Log found within the Seaport announcement for updates to the RFP.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. December 23, 2025

    Solicitation

    Due January 26, 2026 at 5:40 PM EST. SAM.gov, notice 2baa16e07e5d495c96d648a69ad54b6d

  2. January 22, 2026

    Solicitation

    Due January 26, 2026 at 5:40 PM EST. SAM.gov, notice 925d34386391420d9db58a4f0344073d

  3. January 22, 2026

    Solicitation

    Due January 26, 2026 at 5:40 PM EST. SAM.gov, notice eb66daceca464396a003359d72e647df

  4. January 23, 2026

    Solicitation

    Due February 6, 2026 at 5:40 PM EST. SAM.gov, notice d304ad4995e9428dbeae0d04018ca9e4

Points of contact

Also open from this buyer