The Navy needs to find a more cost-effective method of retaliating against Houthi drones and missiles in the Red Sea -- an ongoing threat posed toward merchant and military vessels since last October, Surface Warfare Division Director Rear Adm. Fred Pyle said at a Center for Strategic and International Studies panel Tuesday. The primary threats facing the collective of naval forces currently gathered in the Red Sea -- also known as Operation Prosperity Guardian -- are unmanned drones, anti-ship cruise...