ClosedAward Notice
Dept of Defense contract category

COLUMBIA-Class Ballistic Missile Submarine Design, Class Lead Yard Support and Sustainment, Integrated Enterprise Plan Initiatives for the Class, and Submarine Industrial Base Supplier Development Efforts

Dept of Defense · DEPT OF THE NAVY

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Response deadline
Not listed
Posted
Mar 20, 2026
Solicitation
N00024-23-R-2126
Set-aside
None listed
Place of performance
Groton, CT, USA
Contracting office
NAVSEA HQ · WASHINGTON NAVY YARD · DC
Source
SAM.gov · updated Jul 5, 2026

Description

The contract action was not awarded competitively and was not fixed price, in accordance with FAR 6.302-1(a)(2)(iii) - only one responsible source and no other supplies or services will satisfy agency requirements. Due to the federal government shutdown in October-November 2025 and pursuant to DFARS 252.232-7998 Obligations in Advance of Fiscal Year 2026 Funding (DEVIATION 2026-O0001), an initial cost-only modification was awarded in the amount of $2,283,291,317 in November 2025. Once FY26 funding became available in March 2026, a larger modification was awarded manifesting the $2,283,291,317 along with an additional $15,383,494,792 for a combined total of $17,666,786,109. 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 / Advance Construction for SSBN 828 through SSBN 832 and to support additional COLUMBIA Ballistic Missile Submarines (SSBNs) program execution in accordance with 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 was obligated at the time of award. Pursuant to DFARS 252.232-7998 Obligations in Advance of Fiscal Year 2026 Funding (DEVIATION 2026-O0001), 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%) to be obligated at the time made available and will not expire at the end of the current fiscal year. General Dynamics Electric Boat Corp., Groton, Connecticut, was awarded a $15,383,494,792 cost-plus-incentive-fee and cost-plus-fixed-fee modification to a previously awarded contract (N00024-17-C-2117) for additional Columbia-class ballistic missile submarines design, class lead yard support and sustainment, integrated enterprise plan initiatives for the class, and submarine industrial base supplier development enhancement efforts to support Columbia-class ballistic missile submarine program execution. The industrial base development work is for the furtherance of the Navy�s plan of serial production of Columbia- and Virginia-class attack submarines. Funding is pursuant to the Consolidated Appropriations Act 2026 (Public Law 119-75). Work will be performed in Groton, Connecticut (21%); Newport News, Virginia (6%); Sunnyvale, California (5%); Menomonee, Wisconsin (4%); Quonset Point, Rhode Island (4%); Fitchburg, Massachusetts (3%); Philadelphia, Pennsylvania (3%); Mobile, Alabama (2%); Bethlehem, Pennsylvania (1%); and other locations less than 1% (51%), and is expected to be completed by June 2035. Fiscal 2026 national sea-based deterrence fund funds in the amount of $3,068,073,260 (95%); fiscal 2025 maritime industrial base funds in the amount of $74,000,000 (2%); fiscal 2025 research, development, test and evaluation (Navy) funds in the amount of $73,214,000 (2%); and fiscal 2026 research, development, test and evaluation (Navy) funds in the amount of $2,837,000 (<1%), will be obligated at the time of award, of which $3,144,910,260 will not expire at the end of the current fiscal year. Naval Sea Systems Command, Washington, D.C., is the contracting activity. NAVSEA contract with General Dynamics Electric Boat Corp. for $15,383,494,792 NAVSEA POC: NAVSEA Office of Corporate Communications, (202) 781-4123 General Dynamics Electric Boat Corp. POC: Myra Lee, Director Communications (860) 433-2086

What similar awards have paid

Real federal awards already on the books in a similar lane — so you can size the opportunity, not guess. This is public history, not a bid price, cost estimate, or prediction that you will win.

Typical award size

$58.64M

Middle of the pack for similar past awards

Most similar awards fall between $35.98M and $1.27B

Lower end$35.98MTypical$58.64MHigher end$1.27B
Based on 8 similar awardsSame industry code (336611)Same product/service code (1905)Prime contracts (not umbrella IDVs)

Who has won work like this

Public awardees in this lane — useful for competitor scan or teaming ideas, not a ranked list of “best” firms.

Drawn from official USAspending contract records in our index. Always confirm requirements on the SAM.gov notice before you bid.

Intelligence only — not legal advice or a guarantee of award. Always verify requirements on the official SAM.gov notice. Past award amounts are public history, not a suggested bid or prediction. Notice ID bac3ee9834ff4bcea919e51e0e40c823.

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