N0002421C6425
Definitive Contract
Overview
Government Description
Hammerhead prototype. The award supports design, testing, and delivery of hammerhead prototype articles and related equipment, including hammerhead units. Work is being performed at multiple locations across the United States, including Massachusetts, Maryland, Virginia, North Carolina, Connecticut, Nebraska, and Minnesota.
Awardee
Awarding / Funding Agency
Place of Performance
Fairfax, VA 22033 United States
Pricing
Cost Plus Fixed Fee
Set Aside
None
Extent Competed
Full And Open Competition
Related Opportunity
N0002421R6405
Analysis Notes
Amendment Since initial award the Potential End Date has been extended from 09/30/26 to 12/22/27 and the Potential Award value has increased 182% from $97,962,499 to $276,469,176.
Subcontracting Plan This Definitive Contract has a DOD Comprehensive Subcontracting Plan. The Department of Defense has an overall small business subcontracting goal of 30%
Subcontracting Plan This Definitive Contract has a DOD Comprehensive Subcontracting Plan. The Department of Defense has an overall small business subcontracting goal of 30%
General Dynamics Mission Systems was awarded
Definitive Contract N0002421C6425 (N00024-21-C-6425)
for Design and Delivery of Hammerhead Prototype Articles and Related Equipment
worth up to $276,469,176
by Naval Sea Systems Command
in September 2021.
The contract
has a duration of 6 years 3 months and
was awarded
full & open
with
NAICS 334511 and
PSC 1075
via direct negotiation acquisition procedures with 2 bids received.
As of today, the Definitive Contract has a total reported backlog of $1,479,685 and funded backlog of $780,877.
DOD Announcements
Sep 2021:
General Dynamics Mission Systems, Fairfax, Virginia, is awarded a $92,931,647 cost-plus-fixed-fee and firm-fixed-price contract to design, test and deliver Hammerhead Prototype articles and other related equipment. This contract includes options which, if exercised, would bring the cumulative value of this contract to $275,603,495. Work will be performed in Taunton, Massachusetts (29%); Braintree, Massachusetts (16%); Andover, Maryland (12%); Fairfax, Virginia (12%); Greensboro, North Carolina (9%); Groton, Connecticut (6%); Lincoln, Nebraska (6%); Bloomington, Minnesota (6%); Pittsfield, Massachusetts (3%); and Quincy, Massachusetts (1%), and is expected to be completed by September 2023. If all options are exercised, work will continue through September 2026. Fiscal 2021 research, development, test and evaluation (Navy) funds in the amount of $16,628,918 will be obligated at time of award and will not expire at the end of the current fiscal year. This contract was competitively procured via the beta.sam.gov website, with two offers received. The Naval Sea Systems Command Headquarters in Washington, D.C., is the contracting activity (N00024-21-C-6425).
Apr 2022: General Dynamics Mission Systems, Fairfax, Virginia, is awarded a $14,104,200 cost-plus-fixed-fee undefinitized contract action modifying previously awarded contract N00024-21-C-6425 to procure Hammerhead prototype design efforts. Work will be performed in Taunton, Massachusetts (29%); Braintree, Massachusetts (16%); Andover, Maryland (12%); Fairfax, Virginia (12%); Greensboro, North Carolina (9%); Groton, Connecticut (6%); Lincoln, Nebraska (6%); Bloomington, Minnesota (6%); Pittsfield, Massachusetts (3%); and Quincy, Massachusetts (1%), and is expected to be completed by September 2023. Fiscal 2022 research, development, test, and evaluation (Navy) funds in the amount of $1,000,000 will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.
Jun 2024: General Dynamics Mission Systems, Fairfax, Virginia, is awarded a $20,740,804 cost-plus-fixed-fee modification to previously awarded contract (N00024-21-C-6425) to exercise an option for Hammerhead units. Work will be performed in Taunton, Massachusetts, and is expected to complete by June 2026. Fiscal 2024 weapons procurement (Navy) funds in the amount of $20,740,804 will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.
Apr 2022: General Dynamics Mission Systems, Fairfax, Virginia, is awarded a $14,104,200 cost-plus-fixed-fee undefinitized contract action modifying previously awarded contract N00024-21-C-6425 to procure Hammerhead prototype design efforts. Work will be performed in Taunton, Massachusetts (29%); Braintree, Massachusetts (16%); Andover, Maryland (12%); Fairfax, Virginia (12%); Greensboro, North Carolina (9%); Groton, Connecticut (6%); Lincoln, Nebraska (6%); Bloomington, Minnesota (6%); Pittsfield, Massachusetts (3%); and Quincy, Massachusetts (1%), and is expected to be completed by September 2023. Fiscal 2022 research, development, test, and evaluation (Navy) funds in the amount of $1,000,000 will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.
Jun 2024: General Dynamics Mission Systems, Fairfax, Virginia, is awarded a $20,740,804 cost-plus-fixed-fee modification to previously awarded contract (N00024-21-C-6425) to exercise an option for Hammerhead units. Work will be performed in Taunton, Massachusetts, and is expected to complete by June 2026. Fiscal 2024 weapons procurement (Navy) funds in the amount of $20,740,804 will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.
Status
(Open)
Last Modified 1/30/26
Period of Performance
9/30/21
Start Date
12/22/27
Current End Date
12/22/27
Potential End Date
Obligations and Backlog
$275.0M
Total Obligated
$275.8M
Current Award
$276.5M
Potential Award
$780.9K
Funded Backlog
$1.5M
Total Backlog
Award Hierarchy
Definitive Contract
N0002421C6425
Subcontracts
Activity Timeline
Subcontract Awards
Disclosed subcontracts for N0002421C6425
Transaction History
Modifications to N0002421C6425
People
Suggested agency contacts for N0002421C6425
Competition
Number of Bidders
2
Solicitation Procedures
Negotiated Proposal/Quote
Evaluated Preference
None
Commercial Item Acquisition
Commercial Item Procedures Not Used
Simplified Procedures for Commercial Items
No
Other Categorizations
Subcontracting Plan
DOD Comprehensive Subcontract Plan
Cost Accounting Standards
Yes
Business Size Determination
Large Business
Defense Program
None
DoD Claimant Code
Weapons
IT Commercial Item Category
Not Applicable
Awardee UEI
LDUJLC79HNK5
Awardee CAGE
34EA9
Agency Detail
Awarding Office
N00024 NAVSEA HQ
Funding Office
N00024
Created By
christopher.t.venturino.civ.n00024@us.navy.mil
Last Modified By
christopher.t.venturino.civ.n00024@us.navy.mil
Approved By
christopher.t.venturino.civ.n00024@us.navy.mil
Legislative
Legislative Mandates
Materials, Supplies, Articles & Equipment
Performance District
VA-11
Senators
Mark Warner
Timothy Kaine
Timothy Kaine
Representative
Gerald Connolly
Modified: 1/30/26