The U.S. Navy's fleet is one of the most impressive on the planet -- but officials and strategists are desperate for even more ships to accomplish the service's global mission. The future fleet that planners want has up to 500 ships and includes drone ships, corvettes, light carriers and other innovative platforms. Does the Navy really need all that, and, more importantly, can the Navy afford it? Bryan Clark of the Hudson Institute takes us behind the scenes on planning for future maritime warfare.