High-speed maneuvers at high altitudes may be the reason some pilots are experiencing oxygen deprivation while flying the F-22, a U.S. Air Force general said although she insisted 17 new safety measures had made the jets safe to fly.Lieutenant General Janet Wolfenbarger told a Senate Armed Services subcommittee that recent data was helping the Air Force narrow down its hunt for the root cause of the issue, which prompted a grounding of the F-22, built by Lockheed Martin Corp, for over five months last year.
Wolfenbarger's comments raised questions about whether the new F-35 fighter jets being developed by Lockheed could face similar issues, Reuters reports.
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