F-35As at Luke AFB are grounded after pilots reported hypoxia-like symptoms

All F-35A flights at Luke Air Force Base, Arizona are canceled for the time being while the U.S. Air Force investigate a series of physiological incidents were reported by the pilots.

61st Fighter Squadron F-35 Lightning II
By United States Air Force [Public domain], via Wikimedia Commons

Five incidents have occurred since May 2 and each time the aircraft’s backup oxygen system operated as designed and the pilots were able to land safely, the press release said.

During this period, the 56th Fighter Wing will spend time educating local and foreign pilots on hypoxia symptoms. Each incident and its remedial actions taken will be shared with the air crews.