Say Source Of Hypoxia Symptoms Has Been 'Determined With confidence'
Following months of life support systems components testing in the F-22 Raptor, officials have "determined with confidence" the source of previously unexplained physiological incidents, the director of operations for the Air Force's Air Combat Command said July 31 at a Pentagon news conference. Defense Secretary Leon E. Panetta last week approved a gradual lifting of restrictions he placed on F-22 flights in May.