IN Brief:
- Anduril plans to invest $3.7 billion in a two million square foot shipyard at Sparrows Point.
- Arsenal-2 is intended to expand manufacturing capacity within the US submarine industrial base.
- The project is expected to create more than 3,100 permanent jobs and support more than 14,000 jobs directly and indirectly.
Anduril Industries plans to invest $3.7 billion in a two million square foot shipyard at Sparrows Point in Baltimore County, Maryland, creating a new manufacturing site intended to expand capacity across the US submarine industrial base.
Arsenal-2 will be developed at the Tradepoint Atlantic complex and is expected to create more than 3,100 permanent jobs. Maryland estimates that the project will support more than 14,000 jobs directly and indirectly once the wider economic activity around the facility is included.
The project adds industrial capacity to the submarine supply network rather than establishing Anduril as the prime builder of complete nuclear submarines. No Virginia class or Columbia class module, component or annual production quantity has yet been assigned publicly to Arsenal-2.
US submarine construction already depends on work distributed across prime shipyards and a large supplier base. Naval Sea Systems Command has estimated that meeting planned submarine output requires an additional 3.5 million to 4.5 million module production and outfitting hours each year, with overall production needing to rise substantially from the capacity available today.
New manufacturing space can absorb part of that workload only after the facility and its processes are qualified for the work transferred to it. Submarine structures require controlled materials, welding procedures, dimensional inspection and traceability, while mechanical and electrical modules have their own production and acceptance requirements.
A module built outside the final assembly yard still has to arrive within the dimensions and configuration required by the receiving ship. Errors that force extensive rework after delivery can remove the schedule benefit gained from outsourcing the original fabrication, so interface control between facilities is as important as raw factory output.
Maryland describes Arsenal-2 as a software defined shipyard. The public project material does not yet specify the production equipment, digital architecture or work packages behind that description, so the term should not be treated as evidence of a particular manufacturing process that has not been disclosed.
Digital production systems can coordinate drawings, work instructions, material records and inspection data, but submarine manufacturing remains dependent on physical processes and qualified labour. Heavy structures still have to be formed, machined, welded, moved and inspected before they can enter an accepted module or assembly.
The scale of the proposed workforce makes training another part of the capacity increase. More than 3,100 permanent jobs cannot translate directly into qualified production hours on the day employees are hired, particularly in trades where weld procedures, inspection tasks or specialised equipment require formal training and demonstrated competence.
Submarine industrial expansion in the United States has increasingly used additional private manufacturing sites to supplement the two prime shipbuilders. NAVSEA has already supported investment in external module capacity because the amount of work needed to raise Virginia and Columbia production exceeds what can be added inside the existing final assembly yards alone.
Sparrows Point provides Anduril with enough space to build a substantial production operation, but the industrial effect will depend on the work assigned to the facility. Structures, outfitted modules, components and subassemblies impose different requirements on buildings, lifting equipment, machine tools, material flow and inspection.
The $3.7 billion investment figure therefore describes the planned scale of the site rather than a corresponding value of submarine contracts already placed with Anduril. The Maryland project material does not identify a specific Navy production award equal to that investment.
Construction of the facility, installation of manufacturing equipment and qualification of its first work packages will determine when Arsenal-2 begins contributing accepted hardware to the submarine programme. Employment numbers alone cannot show that transition because workforce expansion precedes productive output in a new shipbuilding operation.
Once production begins, accepted modules or components and the hours transferred from existing bottlenecks will provide a clearer measure of the yard’s contribution. The project gives the submarine industrial base a large new manufacturing footprint; its value to programme schedules will depend on which constrained work moves into Sparrows Point and how consistently the site can deliver it.


