Lockheed Martin began delivering F-35s again on July 19, after a year of building the fighters and putting them directly into storage because their Tech Refresh 3 systems and software were not fully tested.
So many new F-35s have piled up waiting for TR-3 upgrade testing to conclude that it will take a year to deliver them all once deliveries get the green light to resume, according to a new Government Accountability Office report. That go-ahead isn't likely to ...