Over the next 15 years, the surface Navy will focus on upgrading its fleet of destroyers and investing in new weapon systems like hypersonic missiles and directed energy, a top surface warfare officer said today while laying out the service's future years defense program forecast. Rear Adm. Fred Pyle, director of the office of the chief of naval operations’ surface warfare division (N96), said the Navy will spend the next five years delivering flight III Arleigh Burke-class destroyers and building...