The current F-35 Joint Strike Fighter $400,000 helmet uses an LCD microdisplay (produced by Kopin), which has a "technical bug" - a green glow (from the LED backlighting) that prevents pilots from seeing a carrier's lights at night.

The US Navy is working to replace the LCD microdisplay with an OLED one. The new OLED display will be ready for field testing "sometime early next year".