F-22 Hypoxia Review Turns To Pilot Gear, Flight Profiles

U.S. Air Force officials are narrowing their focus on new combinations of factors as they explore oxygen deprivation issues that have claimed the life of one F-22 Raptor pilot and have plagued the fleet for more than a year. The officials remain frustrated, however, that a “smoking gun” for the cause of pilot hypoxia is still elusive despite an extraordinary effort by the service to enlist help from scientists, doctors and fighter experts ...