The U.S. Navy's efforts to build a fleet of unmanned vessels are faltering because the Pentagon remains wedded to big shipbuilding projects, according to some officials and company executives, exposing a weakness as sea drones reshape naval warfare.The lethal effectiveness of sea drones has been demonstrated in the Black Sea where Ukraine has deployed remote-controlled speed boats packed with
On a website run by the Ukrainian security service, donors anywhere in the world can pledge money to build Ukraine's cutting-edge "Sea Baby" unmanned maritime drones.It is a slick, professional site offering donors the chance to sign up for newsletters or even name the drone themselves if they donate the full $220,000 cost.