F-35 Program Costs Jump to $406.5 Billion in Latest Estimate (Bloomberg)

Navy Presents Revealing F-35 Helmet Display Videos And Flight Test Dangers (War Zone)

F-35A engine fire at US Air Force base sparked by strong tailwinds (DefenseNews)

Pratt & Whitney Faulted as Biggest F-35 Engine Deal’s Cost Rises (Bloomberg)

Officials Say Little About F-35 Helmet Glitch in Night Landing Video (DefenseTech)

Fallout feared as Britain grapples with joint strike fighter ‘flaws’ (The Australian)

How we can solve the F-35 JSF disaster (The Australian)

GAO Report to Congress on F-35 Joint Strike Fighter Modernization Efforts (pdf)

UK F-35B - on final approach to QEC (Royal Aeronautical Society)

Armed operational Iwakumi VMFA-121 F-35B on the drills surrounding North Korea:
http://www.thedrive.com/the-war-zone/14416/f-35s-were-carrying-live-aim-120-missiles-during-show-of-force-training-flight-over-korea

And also, another caveat on F-35: in warm weathers the loaded weapons bay only can be closed in ground operations by 10 cumulative minutes.

Pilot Breathing Issues Prompt Changes To F-35 Mask, Vest (Aviation Week)

US considers non-combat-rated subset of F-35 fleet (Flight Global)

UK outlines IOC target for F-35s (Flight Global)

Safety Experts: Some F-35 Ejections Pose ‘Serious’ Death Risk (Roll Call)

Defense Bill Language Could Let F-35 off the Hook (POGO)

F-35s Hobbled by Parts Shortages, Slow Repairs, Audit Finds (Bloomberg)