3 ms·Japan is considering nuclear subs. But are they worth the costs?7 points by PaulHoule 9mo agocedws 9mo agoI was hoping from the headline that meant nuclear missiles too. Japan needs nuclear weapons, the US is not a reliable ally.ramuel 9mo agoJapan needs a full-standing army, air force, and navy too, but demographics make that increasingly difficult.cedws 9mo agoTrue. Nukes can offset some of that. All a very tough sell politically though.