I've spent the last hour trying to remember the name of an audio book i listened to a while ago and I can't find it and its really starting to annoy me. I've got so many random bits in my head I can't put them in order or even remember if they are from the right book so I will just post what I think is the start, the spoiler is pretty minor.

A US navy sub commander and his pregnant wife are in a remote cabin he is kidnapped and taken to his sub