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3d ago

U.S. Navy Expands Hammerhead Mine Procurement With $21.5 Million Contract Modification

The accelerated push targets late‑2026 operational needs through a technical data package for broader production.

Sailors assigned to the Los Angeles-class fast-attack submarine USS Annapolis (SSN 760) load a MK 67 submarine launched mobile mine (SLMM) onto Annapolis, May 4 while in port at Guam in 2022. (Photo: U.S. Navy by Mass Communication Specialist 2nd Class Zachary Grooman).

Overview

  • Naval Sea Systems Command issued a $21.5 million fixed‑price incentive modification to General Dynamics Mission Systems to increase Hammerhead system assets.
  • The award builds on a 2022 contract worth $92.9 million that could exceed $275.6 million with options.
  • Work tied to the latest modification will be performed in Taunton, Massachusetts, with completion scheduled for January 2027.
  • The modification seeks an unspecified increase in mines to meet operational requirements by late 2026 and calls for procurement of the full system design by October 2026.
  • Hammerhead is a moored anti‑submarine mine that deploys an encapsulated torpedo to detect and engage targets at intermediate and deep‑water depths, supporting longer‑range, contested‑environment mining to counter advanced submarine activity.