U.S. Military Grounds F-35 Joint Strike Fighter

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

WASHINGTON (CNN) — The U.S. military on Friday grounded the F-35 fighter jet due to a crack in an engine component that was discovered during a routine inspection in California.

The Pentagon said in a statement that it was too early to assess the impact on the fleet of jets designed for use by the Navy, Air Force and Marines.

The nearly $400 billion Joint Strike Fighter is the Pentagon’s most expensive weapons system. It is currently being tested.

The program has been beset by cost overruns and various technical problems during development.

Currently, there 51 planes in the F-35 fleet.

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.