Lockheed Martin does not have a prototype of its offering for the MQ-25 Stingray competition but will use "a solution that’s very representative" in an upcoming test with the Navy, according to a company executive. Rob Weiss, executive vice president and general manager for Skunk Works at Lockheed Martin, told reporters today at the Navy League’s annual Sea-Air-Space symposium the company is using a clean sheet design and not a derivative of its plan for the now-defunct Unmanned Carrier-Launched Airborne...