The U.S. Air Force might have narrowed down on what happened to F-35A pilots from Luke Air Force Base who had physiological events a month ago.
By United States Air Force [Public domain], via Wikimedia Commons
Chief of Staff Gen. David Goldfein disclosed that the five individuals were flying above 25,000 feet during those incident.
Goldfein added that the “metering system at a higher altitude may not be metering the oxygen at the level that is absolutely required.”