Hammerhead Program Engineering Services Increase Tender - 142769252

Procurement Summary

Country: USA

Summary: Hammerhead Program Engineering Services Increase

Deadline: 05 Jul 2026

Posting Date: 06 Jun 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 142769252

Document Ref. No.: N0002426R2263

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

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Tender Details

Description
The Naval Sea Systems Command (NAVSEA) intends to award a sole-source modification to Contract No. N00024-21-C-6425 with General Dynamics Mission Systems (GDMS). This action will increase the Engineering Support Service (ESS) ceiling by 42, 000 hours to support the Hammerhead Program.
The Hammerhead is a moored-torpedo variant mine system capable of detecting, classifying, and defeating Anti-Submarine Warfare (ASW) targets. Under a competitively awarded 2021 contract, GDMS is the prime contractor and sole systems integrator responsible for the design, development, and production of the Hammerhead system.
The Department of the Navy requires these additional ESS hours to support critical program requirements and engineering changes for modified configuration(s) that are a logical technical progressions of the baseline system. Without this increase in engineering support, configuration effort will halt, which will preclude the commencement of the production phase and cause a failure to deliver this critical capability within the Fleet-s required timeline.
Statutory Authority and Justification for Other Than Full and Open Competition
The proposed contract action is being solicited pursuant to 10 U.S.C. § 3204(a)(1), as implemented by FAR 6.302-1, "Only one responsible source and no other supplies or services will satisfy agency requirements."
GDMS is the only responsible source capable of providing the required ESS for the Hammerhead system without causing unacceptable delays in fielding a critical capability. As the current prime contractor, GDMS possesses the active facility clearances, proprietary technical data, and specialized knowledge of the Hammerhead system architecture required to perform the work immediately.
Competing this requirement would result in an estimated 24-month cumulative delay due to the time required for source selection, knowledge transfer, and facility stand-up. Such a delay would halt ongoing engineering effort...
Notice ID: n0002426r2263

Department/Ind. Agency: dept of defense

Sub-tier: dept of the navy

Office: navsea hq

Product Service Code: 1351 - underwater mines and components, explosive

NAICS Code: 334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Inactive Dates: jul 20, 2026

Inactive Policy: 15 days after response date

Documents

 Tender Notice