2. Not amphibious assaults per se, but littoral combat is where we are focusing right now
And that's something the Corps does very well.
This argument happens every generation or so, and in the end the Pentagon always decides they'd
* rather have an expeditionary force-in-readiness than not, and don't want to spend the money to get the Army to build one from scratch, and
* don't want to put up with the howls from former Marines that would come if the Corps were scrapped