So, not an expert in shipbuilding, but from research I've seen on transit costs (which are also subject to provisions regarding American-made content) it is gen

So, not an expert in shipbuilding, but from research I've seen on transit costs (which are also subject to provisions regarding American-made content) it is generally also a theme of labor productivity. American companies and workers are generally unfamiliar with best practices elsewhere, and workers are also generally not supportive of increasing labor productivity. In that same vein, no American company has actually built a dredger like this before, so I doubt they'd be able to go about building one in the best way possible. --- According to Reuters, the ports of Rotterdam & Shanghai use 5 workers to do what 20 do in US ports, which is a contributing factor to American supply chain disruption. [1] Automation & productivity gain is an increasing source of labor strife at US ports. [1]: https://www.reuters.com/article/us-usa-ports-labor/analysis-u-s-ports-drive-to-control-costs-leads-to-labor-strife-idUSBRE90G06W20130117 https://www.reuters.com/article/us-usa-ports-labor/analysis-...