Attempts to provide upgraded software for F-35 jets have “stagnated” and no new combat capability was delivered last year, according to the annual report by the Pentagon’s testing office, even as the fighter jets fly missions over Iran.
The most recent upgrade, called TR-3, which will be fielded eventually on jets like those flying Iran missions, “was predominately unusable” during most of last year “due to stability problems, shortfalls in capability and ongoing discovery of deficiencies,” according to the report made available to Bloomberg News. It was referring to a software version that hadn’t fully been tested.
The Marine Corps ...