– Defense News – U.S. Marines based out of Norway, another Marine expeditionary unit operating from Sicily. U.S. submarines forward-deployed to Scotland, littoral combat ships in the Mediterranean. Supply ships, fleet oilers and amphibious ships armed with cruise missiles. A third aviation-centered assault ship. More networked connectivity. Those are just some of the changes and enhancements proposed by the new iNavy concept – i for Improved Navy — a set of force enhancements that, according to its proponents, can be implemented over the next five years to make the existing fleet more lethal and effective.