The F-35’s helmet alone costs half a million dollars, and only a quarter of the fleet can fly: inside the jet’s spiraling costs

Half-million dollar helmets and falling readiness: why the F-35 program is facing its most expensive and difficult test yet.
The National Interest

What Is the F-35’s Most Advanced Feature? The Answer Might Surprise You

Each pilot’s HMDS helmet is custom-fitted, with millimeter precision, to ensure that the imagery aligns with the pilot’s pupils. The Lockheed Martin F-35 Lightning II’s most cutting-edge feature is ...