Submarine Modernization and Repair

Comprehensive submarine modernization and repair delivered with precision, safety, and technical excellence. From major availabilities to emergent repairs, we provide solutions engineered to perform under pressure.

Proven Excellence in Submarine Modernization

Trusted by the U.S. Navy and leading shipyards nationwide, we deliver full‑spectrum submarine modernization and repair solutions. From scheduled maintenance to complex overhauls, our teams operate within a NAVSEA‑authorized SUBSAFE program to execute work on time, on budget, and to the highest standards of safety, reliability, and performance.

Seguridad

We adhere to the most stringent marine and defense standards, ensuring every component meets critical safety and compliance requirements. 

Fiabilidad

Our proven processes and rigorous quality controls deliver components and systems that perform flawlessly under demanding conditions.

Performance

Precision engineering and advanced manufacturing capabilities enable optimal performance for mission-critical applications worldwide.

Specialized Capabilities that Strengthen Your Workforce

We provide scalable, NAVSEA Note 5000-authorized support to meet the demands of high-consequence naval projects. Trusted by public and private shipyards, we deliver dependable, high-quality results that make us the trusted choice for mission-critical work.

  • Depot-level availabilities and emergent global repairs
  • Ship, ordnance, and temporary alteration (SHIPALT, ORDALT, TEMPALT) implementation
  • A deep technical bench and zero-defect execution
Ohio class submarine partially submerged with sailors topside
Sailors aboard the Los Angeles class attack submarine USS Charlotte SSN 766 moor the submarine after arriving at Naval Station Norfolk

Integrated Shipyard Collaboration and Technical Support

We collaborate with both public and private shipyards to deliver seamless maintenance and engineering services.

End-to-End Engineering, Design, and Execution

We provide comprehensive lifecycle support for submarine systems and mission-critical components.

  • Sail mast and antenna installation/removal
  • Deep Submergence Systems (DSS) logistics and lifecycle planning
  • Pressurized Rescue Module (PRM) repair and overhaul
  • DSS fit-ups and TEMPALT engineering
  • Technical work document and job material list development
  • Project engineer oversight for complex tasks
  • Level III NDT services (UT, PT, ET, MT, VT)
An Ohio class guided missile submarine partially submerged in the water with two dry deck shelters mounted on its deck
Welder performing base metal repairs on Los Angeles Class Vertical Launch System Hatch

Submarine Systems Repair and Upgrades

We specialize in precision repairs and upgrades across a wide range of systems.

  • Air, seawater, hydraulic, and trim/drain systems
  • Watertight doors, hatches, and scuttles
  • Torpedo launch systems and auxiliaries
  • Sail systems, including ventilation valves
  • Mast and antenna maintenance and alignment
  • Hull framing and structural repair
  • Tooling, fixture, and component manufacturing
  • Support platforms for Virginia-class submarines

Why Oceaneering for Submarine Modernization?

We combine SUBSAFE-certified personnel, proven shipyard experience, and precision engineering to deliver results that meet or exceed Navy standards. Whether you're planning a major availability or responding to an emergent repair, we are your go-to choice for submarine modernization and repair that performs under pressure.

Preguntas frecuentes

Explore our submarine repair capabilities through these frequently asked questions covering our specific authorizations, services, and systems. 

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