On 04/02/2018, Dan Cross <crossd@gmail.com> wrote:
> One time I was poking around a US Navy landing craft after coming off an
> amphibious assault ship and somehow found myself down in the engine room.
> The computer controlling either the engines or the screws was running some
> variant of Windows. ...] but it sort of scared me.
You can google "Windows for warships" on The Register for more
frightening stuff.