The subs could be used to take out the radar stations so the jets can blow up the factories. They are an impressive system. They may well be placed there to keep an Iranian second strike from happening after they take out the Atomic plants.
I think it’s going to be a coordinated joint action, with or without an explicit green light from the UN. Of course, it could be just posturing.
http://www.freerepublic.com/focus/news/2284718/posts?page=8#8