The Navy will soon inform Capitol Hill of major changes the service is making to the way it operates Littoral Combat Ships, including a new crewing model, a move away from interchangeable mission packages and a designation of four dedicated test ships, according to sources familiar with the changes. The modifications are spurred on by a review led by Vice Adm. Thomas Rowden, the commander of naval surface forces in the Pacific. Rowden's command has managed the initial deployments of...