Yeah that's also possible.. my reading was more on the SSBN side, which would be equipped with SLBMs and have a range similar to ICBMs. But "nuclear sub" could

Yeah that's also possible.. my reading was more on the SSBN side, which would be equipped with SLBMs and have a range similar to ICBMs. But "nuclear sub" could also just mean "nuclear-powered" attack sub (SSN), though how those would credibly counter the nuclear threat is less clear to me. The article does mention this as well: > Trump did not say whether he is positioning conventional or nuclear strike-capable submarines