so launch cruise missiles from the subs and they don't need the carrier... so launch cruise missiles from the subs and they don't need the carrier...Cruise missiles probably could not carry a bunker buster payload - maybe ... I have not heard of such... Israel has at least 5 German built conventionally powered diesel subs maybe more. They are top rated with Polaris type ballistic missiles and Cruise missiles. The missiles are nuclear armed - maybe have conventional warheads too - not sure.