# Electric Boat reports 13% more submarine tonnage as supply chain stays the gating item

Canonical page: https://technooptimist.io/stories/electric-boat-reports-13-more-submarine-tonnage-as-supply-chain-stays-ae8e9ba1
Date: 28 Jan 2026
About: [General Dynamics Electric Boat](https://technooptimist.io/companies/general-dynamics-electric-boat.md) · [Columbia and Virginia submarine production](https://technooptimist.io/manufacturing/submarine-production.md)
Original source: https://www.defenseone.com/business/2026/02/hii-ceo-touts-productivity-gains-says-new-contracts-are-needed-sustain-progress/411243

On General Dynamics' earnings call, Electric Boat reported a 13% productivity gain measured as submarine tonnage produced. GD's CEO said sole-source suppliers remain the main bottleneck.

## Key facts

- Partner yard HII raised productivity 14% in 2025 and hired 6,600 workers.
- Both yards were negotiating multiyear deals for 10 Virginia Block VI and five Columbia boats.

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