The United States has decided to rebuild its undersea fleet on a schedule it has not run since the 1980s, with an industrial base a third the size it was then. The money is there. The submarines are on contract. What is missing is the welders, machinists, and pipefitters to build them, and the gap now shows up as years of delay.
How big is the submarine workforce gap?
| Metric | Figure |
|---|---|
| Skilled workers needed, 10 years | ~100,000 |
| Base below required staffing (2022) | ~25% |
| Annual attrition | 20-22% (30%+ in critical trades) |
| Time to trade proficiency | 3-5 years |
| Workforce retirement-eligible in 5 years | ~25% |
| Virginia-class delivery rate | ~1.1-1.2/yr vs. 2.0 target |
Sources: BlueForge Alliance, GAO, CBO, CRS, USNI News (full list below). The 100,000 figure is submarine-specific; the whole maritime industrial base is a larger number.
How many workers does the submarine industrial base need?
The Navy-funded BlueForge Alliance puts the number at roughly 100,000 skilled workers over ten years to build the submarines alone. The two shipbuilders show what that means in hiring. General Dynamics Electric Boat hired about 5,000 people in 2023 and is climbing toward a peak workforce near 33,000, close to its Reagan-era high. HII's Newport News Shipbuilding plans to hire roughly 19,000 within the decade. Across the wider maritime base, the Secretary of the Navy has put the ten-year need as high as 250,000, a broader figure that also covers surface ships.
Which trades, and why are they so hard to fill?
Submarine work runs on welders, machinists, pipefitters, electricians, and shipfitters, plus coating, metrology, and non-destructive-testing specialists. Analysts single out welders, electricians, and coating operators as the hardest to keep. The reason the base cannot simply hire faster is arithmetic. A tradesperson takes three to five years to reach proficiency, attrition runs 20 to 22 percent a year and above 30 percent in the critical trades, and about a quarter of the current shipyard workforce is retirement-eligible within five years. As the Congressional Budget Office's Eric Labs put it, there is no way to improve the industrial base with attrition rates that high.
What is at stake if the roles go unfilled?
Schedule, and then deterrence. Virginia-class submarines are delivering at about 1.1 to 1.2 a year against a target of 2.0, and the Government Accountability Office found deliveries running 24 to 36 months late. The lead Columbia-class boat is running roughly a year behind. That matters because the Ohio-class ballistic-missile submarines begin retiring in 2027, so a late Columbia risks a gap in continuous at-sea nuclear deterrence. Layer on AUKUS, which requires Virginia production to rise toward 2.33 boats a year to also supply Australia, and the workforce gap becomes a national-security problem, not a scheduling one.
Who can train the submarine workforce?
The pipeline is the whole question. Accelerated welding programs run roughly twelve weeks, but volume at that pace still falls short of a 100,000-worker need against 20-percent-plus attrition. Closing the gap means producing production-ready, clearable trades faster than the base loses them, which is exactly the problem the Arklight Demand Model measures and that Trade School 2.0 is built to solve. It also sits at the center of the clearable-talent constraint, since submarine work is US-person and often clearance-gated, and it feeds the same metal-fabrication shortage the fleet depends on.
The bottom line
You cannot appropriate your way to a submarine on time if the people who build it do not exist. The deterrent now rides on a workforce problem, and the only durable fix is to build the trades faster than the fleet loses them. That is a training problem, and it is solvable.