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Wednesday, July 25, 2012

DOD identifies F-22 issues, moves to lift flight restrictions

F-22 RaptorAir Force leaders believe a faulty valve in a flight vest caused several previously unexplained incidents of hypoxia-like symptoms in F-22 Raptor pilots, and Defense Secretary Leon Panetta has approved a plan to gradually remove the restrictions he placed on the planes in May, Pentagon spokesman George Little said Tuesday.

“The Air Force is confident the root cause of the issue is the supply of oxygen delivered to pilots, not the quality of oxygen delivered to pilots,” Little said.

A valve in the vest the pilots wear at high altitude was causing the vest to inflate or deflate at inappropriate times, Little said.

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