General Dynamics Secures $2.28B Navy Mod for Columbia-Class Submarine Hulls

General Dynamics Electric Boat Corp., Groton, Connecticut, was awarded a $2,283,291,317 cost-only modification to previously awarded contract (N00024-17-C-2117) for additional advance procurement and advance construction Columbia-class fleet ballistic missile submarine hulls (SSBN 828-832), and to support additional program execution in accordance with Defense Federal Acquisition Regulation Supplement (DFARS) 252.232-7998 – Obligations in Advance of Fiscal Year 2026 Funding (Deviation 2026-O0001). Work will be performed in Groton, Connecticut (70%); Newport News, Virginia (15%); and Quonset Point, Rhode Island (15%), and is expected to be completed by December 2031. No funding will be obligated at the time of award. Fiscal 2026 National Sea-Based Deterrence Fund funds in the amount of $2,229,067,000 (98%); and fiscal 2026 other procurement (Navy) funds in the amount of $54,224,317 (2%), will be obligated at the time made available and will not expire at the end of the current fiscal year. Naval Sea Systems Command, Washington, D.C., was the contracting activity.