Piloted by Lockheed Martin F-35 Test Pilot Jeff Knowles, the third F-35B Lightning II short takeoff/vertical landing (STOVL) stealth fighter landed at Naval Air Station Patuxent River, Md., today. "Today, the third of our five STOVL test jets joined the F-35 fleet at the Test Center as our flight test program initiates the expansion of the F-35's flight-sciences envelope," said Tom Burbage, Lockheed Martin executive vice president and general manager of F-35 Program Integration. "Our focus remains on fielding the F-35's tremendous capabilities to our warfighters, recapitalizing our nation’s aging fighter fleet, and meeting our commitments to the F-35 partner...