The Pentagon's strategic pivot toward the Asia-Pacific region will not require a major surge in the number of Navy ships there, nor will it diminish the fleet's presence in the Middle East, Chief of Naval Operations Adm. Jonathan Greenert said today. On any given day, 50 of the Navy’s 285 ships are underway in the Western Pacific, Greenert said, noting about half of those are forward deployed naval forces in and around Japan. "That's the most advanced airwing we have,...