 During the final qualifying Joint Strike Fighter flight trials, the X-35B took off in less than , transitioned to supersonic flight, then landed vertically.Ground tests of the F136/LiftSystem combination were carried out at the General Electric facility in Peebles, Ohio in July 2008.On 18 March 2010, a STOVL equipped F-35B performed a vertical hover and landing demonstration at Patuxent River Naval Air Station in Lexington Park, MD.