I too have knowledge of these issues and they are devastating. On top of dissimilar metal issues there are also different aluminum grades involved in the const

I too have knowledge of these issues and they are devastating. On top of dissimilar metal issues there are also different aluminum grades involved in the construction. (meaning training+certs needed to work on these for most yards) So on top of zero survivability in a hostile env they are not going to last 15 years. Back when I was in, Ronnie wanted a 600 ship navy. Now we have <350 and that is counting these glorified ferrys.