Well .. there are sea-skimmer rocket torpedoes .. don't know the name but russian destroyer throwed 6 at me yesterday.
I guess balistic are just simpler. You can have solid-fuel rocket engine only. It can burn 20 seconds only, but can get missile high (thus far) enough.
With sea-skimmer you usually need engine which will fly the rocket at lower speed for longer time. Usually jet engine, which is much more expansive.
|