The inside story of two supersonic flights that changed how America operates the F-35
Day-to-day restrictions on supersonic flight won't stop pilots from pushing the F-35 to the limits in combat, an F-35 test pilot tells Defense News.
The Pentagon will have to live with limits on F-35’s supersonic flights
The Navy's and Marine Corps' versions of the F-35 will have restrictions on how long they can fly at supersonic speeds because of a risk of damage to the tail section.
Five F-35 issues have been downgraded, but they remain unsolved
Five of the 13 major technical issues first revealed by Defense News have been downgraded in the last year.
The Pentagon has cut the number of serious F-35 technical flaws in half
The Pentagon is making progress resolving F-35 glitches, but new issues continue to crop up.
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The Pentagon is battling the clock to fix serious, unreported F-35 problems
Defense News exclusively obtained documents detailing the F-35 jet's most serious deficiencies.
By Valerie Insinna
Supersonic speeds could cause big problems for the F-35′s stealth coating
Supersonic flight at the edge of the F-35 jet's flight envelope could cause structural damage or degrade its stealth coating, warn documents exclusively obtained by Defense News.
By Valerie Insinna and David B. Larter
Two F-35 partners threatened to quit the program. Here’s why they didn’t.
How serious were the problems? Serious enough that a couple countries threatened to pull out of the program, according to U.S. Defense Department documents.
By Valerie Insinna
FAQ: Your guide to understanding how the military rates F-35 technical shortfalls
Confused about what it means for the F-35 to have a deficiency? We have your primer here.
By Valerie Insinna
A fix is coming for a problem that left two F-35 pilots in ‘excruciating’ pain
Oxygen deprivation isn't the only issue known to cause physiological episodes among F-35 pilots.
By Valerie Insinna
When the F-35 blows a tire, it can set off a chain reaction of potential failures
The problem has been fixed in the carrier variant, but why aren't the "A" and "B" models getting the same correction?
By Valerie Insinna
When US Navy and Marine F-35 pilots most need performance, the aircraft becomes erratic
The U.S. Navy and Marine Corps’ F-35s become unpredictable to handle when executing the kind of extreme maneuvers a pilot would use in a dogfight or while avoiding a missile.
By David B. Larter
The Marine Corps’ ‘No. 1 priority’ for the F-35 involves a rough landing in hot environments
When it's a hot one, the F-35B might struggle to land safely. And that could be bad news for industry.
By Aaron Mehta
The F-35 has to keep landing in cold weather. Here’s the plan to fix it.
The F-35 battery is getting too cold to operate in Alaska — or it at least thinks it is.
By Aaron Mehta
Inventory management failures are grounding F-35 jets
The F-35 relies on a key piece of software for maintenance, but that system isn't working the way it should.
By Aaron Mehta
Amid ‘green glow’ concerns, another issue has emerged for pilots flying the F-35 at night
During low-light conditions, the F-35's night vision camera display starts showing wonky horizontal lines across the screen that obstruct the pilot's view of the horizon.
By David B. Larter
The US Navy is seeking upgrades for the F-35 radar’s sea-search mode
Giving the Navy what it wants will be a matter of boosting computing power and upgrading software. So where would that come from?
By David B. Larter and Valerie Insinna
