>It's also newsworthy when one of the most powerful and expensive weapon platforms in history doesn't have its infosec buttoned down.
Well, peace makes you sloppy. No one is at war with France right now, and no one is realistically going to attack this ship.
If we were fighting WW3, you can bet sailors wouldn't be allowed to carry personal cellphones at all. Back in WW2, even soldier's letters back home had to be approved by the censors.