The F-35 Joint Strike Fighter program is the most expensive military program in the world, so it should be no surprise that the F-35 aircraft is loaded with powerful weapons controlled by powerful computers. Unfortunately, the guns don’t fire yet, and the computers still don’t work right.

A Pentagon official released a damning report on Monday detailing a stunning number of deficiencies that still plague the troubled F-35 fighter jet. The report is particularly important because the Air Force is supposed to announce that its version of the aircraft will be operational by the end of the year. However, the new Pentagon report clearly states that the aircraft should not be flown in 2017 given the number of bugs that need to be fixed.

The document lays out dozens of problems facing the F-35 in all variants of the aircraft, many of which are caused by software failures. This is especially troubling because the F-35 relies on special computers to keep both the aircraft and its weapons operational. Computers actually control just about every component on the new jet, and that’s actually become the F-35's greatest weakness.

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One group of bugs reported is particular to the variant of the F-35 that the Marines are using. The bugs are found “in fusion, electronic warfare, and weapons employment result in ambiguous threat displays, limited ability to respond to threats, and a requirement for off-board sources to provide accurate coordinates for precision attack.” The bug essentially renders the F-35 useless.

Another critical flaw is that the aircraft is difficult to maintain and update. In 2014, a famous 60 Minutes segment documented how the internal diagnostic systems on the plane failed to accurately track the heath the key components in the vehicle. The new report claims that the “Each new version of software, while adding some new capability, failed to resolve all the deficiencies identified in earlier releases.” (Emphasis ours.)

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Other bugs included the fact that the F-35 doesn’t know whether it’s using new or old parts. The aircraft’s computer “incorrectly authorizes older/inappropriate replacement parts” according to the document. The fighter jet also doesn’t know when it’s moving too quickly: “The Integrated Exceedance Management System, designed to assess and report whether the aircraft exceeded limitations during flight, failed to function properly.” So that sounds pretty bad, too.

Perhaps the worst of all the bugs is the fact that the F-35 will likely kill you if you try to eject from it. “Recent discoveries that require design changes, modifications, and regression testing include the ejection seat for safe separation, wing fuel tank over‑pressurization, and the life-limitations of the F-35B bulkhead. For these specific reasons and others, further program delays are likely.”

What was supposed to be a futuristic aircraft built for stealth combat and surveillance has famously turned into a huge money pit, but it’s beyond embarrassing at this point. Back in 2012, the Pentagon slammed Lockheed Martin on the performance of the new age fighter jet, vowing not to bail the program out if Lockheed couldn’t work out the bugs in its new aircraft. Sadly, not much progress has been made since then.

Whether or not the aircraft will ever be used in combat remains to be seen, but it’s safe to say that other nations’ governments will think twice before making any block purchases of the aircraft. For now, we can at least appreciate the ambition of the program and also every cool moment we’ve seen as the F-35 has readied for combat. As Air Force Lt. Gen. Christopher C. Bogdan said four years ago, “I don’t see any scenario where we’re walking back away from this program.” It’s just a damn shame that he and the rest of the top brass are wasting a trillion taxpayer dollars in standing by the damn thing.

[Defense One]

Image via AP


Contact the author at michael.nunez@gizmodo.com.