F-35 flights at U.S. air base temporarily stopped because of oxygen system problems

The U.S. Air Force on Friday temporarily stopped flying F-35 fighter jets at Luke Air Force Base in Arizona. The move was in response to a series of incidents in which pilots reported symptoms of hypoxia, or oxygen deprivation, the Associated Press reported.
U.S. Air Force spokesman Capt. Mark Graff told AP that the temporary halt followed five separate in-flight incidents since May 2. AP, citing Graff, noted that in each case, the airplane’s backup oxygen system worked as designed and the