I agree, this is what modding is all about ! I made a Fliggende torpedo mod which acts like a horizontally flying missile.
http://www.mediafire.com/file/ynggwy2jg1z/V1[1].0_Fliggendetorpedo_mod.rar
not perfect but close, it was meant for the Cold War mod so that they'd have missiles, maybe SH6 will have them ?
keltos