The Air Force Scientific Advisory Board, tasked with investigating the oxygen generation systems on the grounded F-22 fleet and other aircraft, is expected to release an interim report to Air Force Secretary Michael Donley and Chief of Staff Gen. Norton Schwartz in the fall of 2011. Here, Lt. Col. Bryan Salmon, director of operations for the 149th Fighter Squadron, prepares an F-22 Raptor for taxiing, during an operational readiness inspection at Langley AFB, Va., April 10, 2011.
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