Nobody in, or out of there mind is going to premptively strike at a carrier group, unless they think that all out war is inevitable.
Errrr....ahhhhh....I am not sure I would bet the Farm on that statement...as Army Dinner Jacket and the Mullahs are not exactly playing with a full deck by any reasonble standard.
When one truly believes in this Martyrdom crap.....they instantly are playing by a completely insane set of rules!
Granted the few might find themselves dragging millions with them down that path if they happen to loose off a Nuke sometime...but then the more the merrier to them!