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US Navy expands funding for nuclear submarine propulsion laboratories

US Navy expands funding for nuclear submarine propulsion laboratories

Money Moves

A $2.4 billion contract modification sustains the Naval Nuclear Laboratory through 2028

Today: Construction Review publishes report on the project

Overview

Updated 1 hour ago

The US Navy has awarded Fluor Marine Propulsion $2.4 billion to sustain the Naval Nuclear Laboratory, the network that designs and maintains reactors for American submarines and aircraft carriers. The cost-plus-fixed-fee contract modification, awarded September 24, covers work at sites in Pennsylvania, New York, and Idaho.

This is sustainment, not new construction. It keeps roughly 8,000 engineers, scientists, and technicians running the laboratory through 2028, when the current contract period ends. Every American submarine and carrier runs on nuclear power, and the program depends on this specialized infrastructure.

Why it matters

Every American submarine and aircraft carrier runs on nuclear reactors; the funding keeps the engineering backbone behind them staffed and operational.

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Key Indicators

$2.41B
Contract modification value
Cost-plus-fixed-fee modification awarded September 24, 2026.
47%
Work performed in Pittsburgh
Bettis Atomic Power Laboratory in Pennsylvania does the largest share.
8,000
Laboratory employees
Engineers, scientists, technicians and support staff across four sites.
$30B
Original contract potential value
Ten-year management contract signed in 2018.

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People Involved

HR
Hyman Rickover
Founder of the Naval Nuclear Propulsion Program (historical)
Deceased (1986); the program structure he created still governs

Organizations Involved

FM
Fluor Marine Propulsion LLC
Defense contractor; wholly owned subsidiary of Fluor Corporation
Manager and operator of the Naval Nuclear Laboratory since 2018

Contractor that operates the Naval Nuclear Laboratory under government contract.
NN
Naval Nuclear Laboratory
Government-owned, contractor-operated research laboratory
Develops naval nuclear propulsion technology and trains specialist personnel

Laboratory network that designs, tests, and maintains reactors for US submarines and aircraft carriers.
NS
Naval Sea Systems Command
US Navy acquisition command
Contracting activity for the $2.4 billion award

Navy command that oversees shipbuilding and the Naval Reactors program office.

Timeline

June 1946 October 2026

11 events Latest: Today Showing 8 of 11
Tap a bar to jump to that date

  1. Construction Review publishes report on the project

    Today Report

    Construction Review reports the $2.4 billion award and its role in sustaining naval nuclear infrastructure.

  2. Pentagon lists contract in daily release

    Announcement

    Department of Defense publicly lists the $2.41 billion modification in its contracts bulletin.

  3. Navy awards $2.4 billion contract modification

    Contract

    Naval Sea Systems Command awards Fluor Marine Propulsion $2.41 billion for Naval Nuclear Propulsion work across Pennsylvania, New York, and Idaho.

  4. Government extends Fluor's contract through 2028

    Contract

    Contract option exercised, securing Fluor's management of the laboratory to 2028.

  5. Fluor begins managing the Naval Nuclear Laboratory

    Contract

    Navy and Department of Energy select Fluor under a ten-year contract with ~$30 billion potential value.

  6. Congress makes program permanent

    Policy

    National Defense Authorization Act codifies Executive Order 12344 as permanent law.

  7. Executive Order 12344 creates Naval Nuclear Propulsion Program

    Policy

    President Reagan establishes the program with a single director holding dual authority.

  8. Nautilus goes 'underway on nuclear power'

    Milestone

    Nautilus completes its first nuclear-powered voyage, proving sustained submerged endurance.

  9. USS Nautilus launched

    Milestone

    First nuclear-powered submarine launched; President Truman had laid the keel in 1952.

  10. Navy approves nuclear submarine program

    Milestone

    Chief of Naval Operations Fleet Admiral Chester Nimitz approves design of nuclear-powered submarines.

  11. Navy sends officers to Oak Ridge to study nuclear propulsion

    Milestone

    Captain Hyman Rickover leads a group to Tennessee to assess nuclear power for ship propulsion.

Scenarios

1

Fluor extends Naval Nuclear Laboratory contract past 2028

Likely Resolves by End of 2028

Discussed by: GovConWire, defense contracting analysts

The current contract runs through 2028. If the Navy exercises further options or awards a follow-on contract, Fluor's management of the laboratory — in place since 2018 — would span well beyond a decade. The size and timing of this modification signal the Navy's confidence in the current structure.

2

FY2027 appropriations trim naval nuclear funding

Possible Resolves by Oct 1, 2027

Discussed by: Defense budget analysts

This modification draws from fiscal 2026 operations and maintenance funds. Future-year appropriations could reduce the program's budget if Congress tightens Navy spending, especially as the Columbia-class submarine build competes with other priorities.

3

Fleet expansion pushes laboratory budget higher

Possible Resolves by Oct 1, 2028

Discussed by: Naval analysts tracking the Columbia-class program

The Navy is building Columbia-class ballistic missile submarines and continues Virginia-class attack boats. Each adds reactors requiring design support and operator training. A sustained fleet build could push the laboratory's annual funding above the $2.4 billion modification as new submarines come online.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

August 1950 — January 1955

USS Nautilus Program (1950-1955)

The Naval Nuclear Propulsion Program's founding achievement. From the S1W reactor prototype's construction starting in August 1950 to the USS Nautilus going 'underway on nuclear power' in January 1955, the program put the nation's first power reactor to sea in under five years, under Hyman Rickover's direction.

Then

Nautilus demonstrated submerged endurance measured in days, not hours. Four more submarines and two reactor prototypes followed within four years.

Now

Established the model of government-managed, contractor-operated nuclear laboratories that still runs the program today.

Why this matters now

The laboratory network this $2.4 billion contract sustains was born in this era.

February 1982

Executive Order 12344 (1982)

President Reagan created the Naval Nuclear Propulsion Program by executive order, giving one director authority within both the Navy and the nuclear weapons agency. Congress made the program permanent in 1999.

Then

A single official now answers to both the chief of naval operations and the National Nuclear Security Administration.

Now

The dual-hatted directorate structure persists today, keeping propulsion design, safety, and training under one authority.

Why this matters now

This contract modification flows through that structure — Naval Sea Systems Command's Naval Reactors office (NAVSEA 08) is the contracting activity.

Sources

(10)
+4
Construction Review Online Department of Defense (via Public) WorkBoat Govly Hanging Context РИА Новости 读懂军事 SSBülten Wikipedia GovConWire