The F-35A completed ground vibration testing and fit checks at Edwards Air Force Base ahead of the beginning of flight testing. The F-35 Joint Program Office (JPO) has announced the completion of a ...

The Navy awarded Lockheed a $133 million contract modification to continue providing F-35 flight test support for U.S. military services.

The Lightning II that crashed on Tuesday was one of very few F-35 developmental test aircraft, exacerbating a shortage that has in the past led to program delays. The aircraft, which was en route from ...

WASHINGTON — On-the-ground stress testing for the Marine Corps version of Lockheed Martin Corp.’s F-35 jet may be halted for as long as a year after cracks were found in the aircraft’s bulkheads, ...

An F-35C of VX-9 assigned to the United Operational Test Team at Edwards AFB performed the first dual drop of externally mounted GBU-54 LJDAM bombs, engaging a remote controlled High-Speed Moving ...

The Lockheed Martin F-35 continues to suffer from reliability issues both in service and in testing, the US Department of Defense's (DoD's) Director, Operational Test and Evaluation (DOT&E), wrote in ...