Air

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.
An inexperienced pilot’s errors and general lack of knowledge, combined with an overbearing operations supervisor, were the key factors that led to a U.S. Air Force MQ-9 crashing into the sea somewhere in the Middle East last September, according to a new accident investigation board ...