Boeing unveiled last week for the first time an image of its MQ-25 Stingray offering, which it said is completing "engine runs" before deck handling demonstrations early next year. The Navy is seeking an unmanned tanker to refuel the F/A-18 Super Hornet, E/A-18G Growler and F-35C Joint Strike Fighter. Proposals are due Jan. 3. The service determined only four companies were eligible to bid for the competition: Boeing, General Atomics, Lockheed Martin and Northrop Grumman. The chief of naval operations...