# Navy adds $2.3B to Electric Boat's Columbia contract as the lead boat slips to 2029

Canonical page: https://technooptimist.io/stories/navy-adds-2-3b-to-electric-boat-s-columbia-contract-as-the-lead-boat-b1879dec
Date: Nov 2025
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.stripes.com/branches/navy/2025-11-21/columbia-submarine-contract-billions-delay-19841227.html

The Navy awarded a $2.3B modification to Electric Boat's Columbia-class contract to speed buying and building five boats. At the time the lead boat, District of Columbia, had slipped 17 months to 2029, against a 2027 original date.

## Key facts

- 12 Columbia boats are planned at about $126.4B (CRS, Sept 2025).
- The lead boat is estimated at $16.1B.
- Ohio-class boats begin retiring in 2027, about one a year until 2040.

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