Tony Capaccio

The unstable software was causing the systems to shut down every four hours, forcing the pilot to reboot the systems in flight.

The Marine Corps declared its version of Lockheed Martin's F-35 fighter ready for limited combat operations, a milestone for the Pentagon's costliest weapons program.

A potentially faulty pressure vest is the latest clue in a yearlong mystery over why Air Force pilots flying Lockheed Martin's F-22 Raptor keep getting dizzy and disoriented. The Air Force is looking in particular at the flight suits worn by F-22 pilots at bases in Anchorage and Virginia.