I wouldn't expect an attack on a carrier group to necessarily lead to all out nuclear War. Seems more likely it would lead to a similar response, to a similarly

I wouldn't expect an attack on a carrier group to necessarily lead to all out nuclear War. Seems more likely it would lead to a similar response, to a similarly sized and themed target, if only to save face and demonstrate that an equal response to such attacks will happen. What's the US going to do? Attack Chinese cities? And then watch their own cities burn?