The problem with ballistic missile subs (and to a lesser extent ships) is that the entire world, except home port, is a hostile operating area. You know how nu

The problem with ballistic missile subs (and to a lesser extent ships) is that the entire world, except home port, is a hostile operating area. You know how nuclear war starts? You get an ELF ping to come to comm depth to receive launch orders. Or you get a torpedo barreling towards you because the other side got their orders first and had an attack sub shadowing you.