Full F-35 upgrade package might not happen this year, Lockheed says

The Pentagon’s fleet of F-35 fighter jets may not receive the full, combat-ready version of the TR-3 upgrade this year, Lockheed Martin executives acknowledged today.The upgrade, formally called Technology Refresh-3, was originally supposed to be ready in April 2023, but software-development problems have delayed the effort multiple times. Those delays drove the Pentagon to halt acceptance of new F-35s for a year, a pause that ended in July. The upgrade will equip the jets with the extra c