FILE - This Nov. 17, 2010 file photo provided by the U.S. Air Force shows an aerial view of the F-22 crash site located approximately 100 miles (161 kilometers) north of Anchorage, Alas

 

              FILE - This Nov. 17, 2010 file photo provided by the U.S. Air Force shows an aerial view of the F-22 crash site located approximately 100 miles (161 kilometers) north of Anchorage, Alas
FILE - This Nov. 17, 2010 file photo provided by the U.S. Air Force shows an aerial view of the F-22 crash site located approximately 100 miles (161 kilometers) north of Anchorage, Alaska. Years before F-22 pilots began getting dizzy in the cockpit, before one struggled to breathe as he tried to pull out of a fatal crash, before two more went on television to say the plane was so unsafe they refused to fly it, a small circle of U.S. Air Force experts knew something was wrong with the prized stealth fighter jet. (AP Photo/U.S. Air Force,Master Sgt. Jeremiah Erickson, File)