Fans of the Navy’s experimental X-47B drone needn't despair at the program’s end after this fiscal year. Although the aircraft “reached the end of what it had anticipated to do,” the operational follow-on program known as Unmanned Carrier-Launched Airborne Surveillance and Strike (UCLASS) will likely entail more research, development and demonstration, Defense Secretary Ashton Carter said May 6.“I think we are going to have to … do some more research and testing," but "not necessarily" with the X-47B airframe, Carter…
