Flying at about 35,000 ft. on a scorching Arizona day, the F-35 pilot noticed the oxygen flowing into his mask catch for just a split second. “That was odd,” he thought. At that moment, a high-pitched alarm rang, “deedle-deedle.” A caution light flashed in the cockpit, warning that the Onboard Oxygen Generation System (OBOGS) had failed. Five PEs at Luke between May 2 and June 8, 2017, caused the Air Force to temporarily ground the F-35s ...
