Enunciated in 2014, the navy’s officially stated goal [5] is 308 hulls. Three independent “fleet architecture [6]” studies are revisiting that number, however. The Navy Staff [7], the Washington-based Center for Strategic and Budgetary Assessments [8], and the Mitre Corporation [9] are surveying the strategic environment—the rise of China’s navy, an increasingly troublesome Russia, and on and on—and gauging how large a fleet it takes to handle such challenges.