wary forge
The Suffren class is a class of nuclear-powered attack submarines, designed by the French shipbuilder Naval Group (formerly DCNS) for the French Navy. It is intended to replace the Rubis class. Construction began in 2007 and the lead boat of the class, Suffren, was commissioned on 6 November 2020. It officially entered active service on 3 June 2022.
Stats:
Speed: Submerged, ver 25 kn (46 km/h), Surfaced 14kts (26 km/h)
Range: Unlimited 
Max Depth: >350 m (1,150 ft)
harsh dagger
ok unlimited range is a lil too op
wary forge
ok unlimited range is a lil too op
Everywhere I look it says unlimited range, the only "limit" I found is 7-10 years of autonomy, because then the nuclear reactor is replaced
timber sandal
Actual nuclear submarines ingame have ranges too
charred steppe
ok unlimited range is a lil too op
i guess something similar to current in-game ranges could be done
the wikipedia pages for the nimitz or seawolf also list unlimited ranges
it's not like they have jobs in-game anyway 